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UID:10000043-1762819200-1763164799@dan.org
SUMMARY:2025 DEMA Show
DESCRIPTION:DAN IS HERE FOR YOU \n\n\n\nSince 1980\, DAN has worked tirelessly to promote dive safety — operating the 24/7 DAN Emergency Hotline\, conducting dive medical research\, and collaborating with stakeholders throughout the industry to establish best practices for safe operations. Today\, thanks to the support of divers\, training agencies\, dive pros\, and dive businesses\, DAN is stronger than ever. \n\n\n\nDAN will exhibit at booth #621 during DEMA Show 2025. Held in Orlando from November 11–14\, this year’s event will bring together professionals from the dive\, travel\, and water sports industries. Recognized as the largest trade-only event in the dive industry\, DEMA anticipates hosting over 500 exhibitors and thousands of professionals. \n\n\n\n To learn more and register to attend\, visit DEMAShow.com. To discuss DAN’s programs one-on-one with a representative\, reserve a meeting through our meeting registration form. \n\n\n\n \n\n\n\n\n\n \n\n\n\nSeminar Schedule\n\n\n\nAll seminars are held in room W304H\n\n\n\n(Click on date to open) \n\n\n\n\n\n\nTUESDAY\, NOVEMBER 11\n\n\n\n\n\n\n\n\nSESSION TITLE\nTIME\n\n\n\n\nMarine Life Toxinology Session 1\n9am – 10am\n\n\nThat Was Close: Learning From Diving Mishaps\n10am – 11am\n\n\nUnderstanding NOAA’s New CNS Oxygen Guidelines\n11am – 12pm\n\n\nCardiovascular Fitness to Dive: What Every Dive Professional Needs to Know\n12pm – 1pm\n\n\n2026 DAN Instructor\, Instructor Trainer\, and Examiner Update\n1pm – 2pm\n\n\nEverything You Need To Know About DAN\n2pm – 3pm\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nWEDNESDAY\, NOVEMBER 12\n\n\n\n\n\nSESSION TITLE\nTIME\n\n\n\n\nMarine Life Toxinology Session 2\n9am – 10am\n\n\nAluminum Cylinder Summit: From Manufacture to Retirement\n10am – 11am\n\n\nAluminum Cylinder Summit: How To Destroy Your Cylinder\n11am – 12pm\n\n\nUnderstanding NOAA’s New CNS Oxygen Guidelines\n12pm – 1pm\n\n\nNOT As Seen on TV: CPR\, First Aid\, and Oxygen Administration Myths\n1pm – 2pm\n\n\nBeyond Risk: Dive Accident Management and Prevention for Your Dive Business\n2pm-3pm\n\n\nFirst Annual Examiners Meeting\n3pm-4pm\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nTHURSDAY\, NOVEMBER 13\n\n\n\n\n\nSESSION TITLE\nTIME\n\n\n\n\nPFO and Diving: Understanding and Managing the Risks\n9am – 10am\n\n\nAluminum Cylinder Summit: From Manufacture to Retirement\n10am – 11am\n\n\nAluminum Cylinder Summit: How To Destroy Your Cylinder\n11am – 12pm\n\n\nDive Into Hydration: The Science Behind Keeping Quenched\n12pm – 1pm\n\n\n2026 DAN Instructor\, Instructor Trainer\, and Examiner Update\n1pm – 2pm\n\n\nEverything You Need To Know About DAN\n2pm – 3pm\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nFRIDAY\, NOVEMBER 14\n\n\n\n\n\nSESSION TITLE\nTIME\n\n\n\n\nThat Was Close: Learning From Diving Mishaps\n9am –10am\n\n\nMarine Life Toxinology Session 1\n10am – 11am\n\n\nDive Into Hydration: The Science Behind Keeping Quenched\n11am – 12pm\n\n\nMarine Life Toxinology Session 2\n12pm – 1pm\n\n\nNOT As Seen on TV: CPR\, First Aid\, and Oxygen Administration Myths\n1pm – 2pm\n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\n\n\n\n\n\n\nSeminar Descriptions\n\n\n\n\nMarine Life Toxinology Session 1\n\nBy Matias Nochetto\, MD \n\n\n\nObserving marine life is one of the main reasons many people dive; it is also the reason some people are afraid to dive. Tropical reefs are one of the most complex and diverse ecosystems\, offering a glimpse of nature’s beauty as well as its chemical and toxinological fury. This lecture will consider relevant toxinological aspects of marine life and strategies for marine injury management. \n\n\n\n\n\n\nThat Was Close: Learning From Diving Mishaps\n\nBy Frauke Tillmans\, PhD \n\n\n\nWe explore real-world incidents where divers narrowly avoided disaster. Through case studies and expert insights\, the session highlights how missteps — whether technical\, procedural\, or human — can escalate underwater. Attendees will gain practical strategies for risk mitigation\, decision-making under pressure\, and fostering a safety-first mindset to prevent future mishaps. \n\n\n\n\n\n\nUnderstanding NOAA’s New CNS Oxygen Guidelines\n\nBy Dawn Kernagis\, PhD\, and Frauke Tillmans\, PhD \n\n\n\nThe U.S. National Oceanic and Atmospheric Administration (NOAA) established the central nervous system (CNS) oxygen toxicity exposure limits table in 1991. In this talk we will explain why the recent CNS oxygen limits revision was needed\, review the new evidence that was the basis for the change\, detail the specifics of the revision\, and discuss what it all means for technical divers. \n\n\n\n\n\n\nCardiovascular Fitness to Dive: What Every Dive Professional Needs to Know\n\nBy Douglas Ebersole\, MD \n\n\n\nRecent data suggest that up to 50% of all diving deaths are associated with underlying cardiovascular disease. This presentation will discuss the scope of the problem\, workloads associated with scuba diving\, who is at greatest risk\, how we can best prevent cardiovascular disease in divers\, and which divers with known cardiovascular disease can safely return to scuba diving.  \n\n\n\n\n\n\n2026 DAN Instructor\, Instructor Trainer\, and Examiner Update\n\nBy JoAnn Perry\, MSE \n\n\n\nDivers Alert Network Instructors\, Instructor Trainers\, and Examiners are invited to attend the 2026 Update. This session will cover improvements and changes from the past year and provide an outlook on changes coming in the year ahead. \n\n\n\n\n\n\nEverything You Need To Know About DAN \n\nBy Shelli Wright\, Angela Williams\, and Nathalie Judkins \n\n\n\nJoin us for an overview of DAN’s membership and insurance programs\, and learn about all the great benefits available to you\, your business\, and your customers. We’ll cover DAN membership\, dive accident coverage\, trip and travel insurance\, and liability coverage. Learn how you can use these programs to better serve your customers\, mitigate risk\, and grow your business. \n\n\n\n\n\n\nMarine Life Toxinology Session 2\n\nBy Matias Nochetto\, MD \n\n\n\nObserving marine life is one of the main reasons many people dive; it is also the reason some people are afraid to dive. Tropical reefs are one of the most complex and diverse ecosystems\, offering a glimpse of nature’s beauty as well as its chemical and toxinological fury. This lecture will consider relevant toxinological aspects of marine life and strategies for marine injury management. \n\n\n\n\n\n\nAluminum Cylinder Summit: From Manufacture to Retirement \n\nExpert Panel led by DAN \n\n\n\nThis two-part series\, led by DAN\, will focus on the safety and durability of aluminum scuba cylinders. This session brings together three leading experts in our industry — Armando Ramirez from Catalina Cylinders\, Jimmy W. Horton from Thunderbird Cylinders\, and Mark Gresham\, President of PSI-PCI.In Part One\, the panel will address frequently asked questions and persistent misconceptions about aluminum scuba cylinders. The focus is on cylinder design and how long they can safely remain in service. \n\n\n\n  \n\n\n\n\n\n\nAluminum Cylinder Summit: How To Destroy Your Cylinder\n\nBy Expert Panel led by DAN \n\n\n\nThis two-part series\, led by DAN\, will focus on the safety and durability of aluminum scuba cylinders. This session brings together three leading experts in our industry — Armando Ramirez from Catalina Cylinders\, Jimmy W. Horton from Thunderbird Cylinders\, and Mark Gresham\, President of PSI-PCI.Part Two dives deeper into common forms of misuse and damage that can lead to serious and even catastrophic failures. \n\n\n\n\n\n\nNOT As Seen on TV: CPR\, First Aid\, and Oxygen Administration Myths\n\nBy JoAnn Perry MSE \n\n\n\nWe see lots of emergency responses depicted in movies and on TV\, and they are often dramatized for the screen. This session will cover common misconceptions and fallacies and clarify what you can really expect to see during emergency responses. \n\n\n\n\n\n\nBeyond Risk: Dive Accident Management and Prevention for Your Dive Business\n\nBy Laura Johnson\, Nathalie Judkins\, and Patti Suggs\, MS \n\n\n\nStrengthen your dive business by developing effective accident management and prevention protocols — or enhancing your existing protocols. This seminar will provide strategies to protect divers\, staff\, and the business while promoting a culture of safety above and below the surface. \n\n\n\n\n\n\nFirst Annual Examiners Meeting\n\nBy JoAnn Perry\, MSE \n\n\n\nDAN Examiners are invited to attend this inaugural meeting. We look forward to introducing you to our training team and discussing upcoming changes and ideas for DAN training. Because of your experience\, we will lean on you for your ideas and knowledge. \n\n\n\n\n\n\nPFO and Diving: Understanding and Managing the Risks\n\nBy Douglas Ebersole\, MD \n\n\n\nA patent foramen ovale (PFO) is a normal variant found in around 25% of the population that results in a flap between the two upper chambers of the heart. This flap can allow the passage of bubbles from the venous system into the arterial system\, which may result in decompression sickness (DCS). This presentation will cover the anatomy and pathophysiology of PFO as it relates to divers and DCS\, management strategies to decrease the risk of DCS in the presence of a PFO\, and PFO closure — a controversial procedure used in a small subset of divers who experience certain forms of DCS. \n\n\n\n\n\n\nDive Into Hydration: The Science Behind Keeping Quenched\n\nBy Frauke Tillmans\, PhD \n\n\n\nThis talk explores the critical role of hydration in diving safety and physiological resilience. Dehydration increases the risk of DCS\, impairs thermoregulation\, and affects cognitive and physical performance underwater. We’ll examine fluid balance challenges unique to divers\, including immersion diuresis and dry gas breathing\, and discuss evidence-based hydration strategies before\, during\, and after dives. \n\n\n\n\n\n\n\n\n\n\n\nPresenter Bios\n\n\n\n\nDAN Speakers\n\n\n\n\n\n\n\n\n\n \n\n\n\nMatias Nochetto\, MD\n\n\n\nMatias is the Vice President\, Medical Services\, at DAN\, where he has worked since 2006. He is co-director of the DAN-UHMS continuing medical education program and a faculty member of several national and international diving medicine courses and programs. He became a dive instructor in 1999 during medical school\, which led him to complete a three-year clinical and research fellowship in hyperbaric and diving medicine to combine the two passions. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nJoAnn Perry\, MSE\n\n\n\nJoAnn is the Director of Safety Services and training at DAN. She has bachelor’s and master’s degrees in engineering and brings knowledge of safety in the construction and manufacturing industries to scuba diving. JoAnn has been teaching diving since 2008 and is a diving Instructor Trainer and a DAN Examiner. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nFrauke Tillmans\, PhD\n\n\n\nFrauke is the Vice President of Research at DAN. She holds a PhD in human biology and is DAN’s point of contact for national and global collaborations in diving-related research. Before joining DAN in 2019\, she participated in projects covering a variety of medical and health aspects in recreational and military diving and she now oversees DAN’s in-house research initiatives in diving physiology\, injury monitoring\, and population health\, as well as the DAN Research Grant Program. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nRochelle “Shelli” Wright\n\n\n\nShelli is the Director of Commercial Insurance at DAN. She has been a licensed insurance agent for over 25 years\, actively working with all lines of insurance products. Shelli is a dive instructor and an avid technical and full cave diver. She combines her knowledge of insurance and her passion for diving to promote risk mitigation and safety education for the diving community. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nAngela Williams\n\n\n\nAngela is the Director of Membership and Personal Insurance at DAN. She manages the DAN Member Services team and has 18 years of experience at the organization. She is a licensed insurance agent who is highly motivated to ensure DAN members are educated about the personal insurance programs and products DAN offers. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nFrancois Burman\, PE\, MSc\n\n\n\nFrancois is the Vice President\, Safety Services\, at DAN. He is responsible for all DAN’s safety and accident-prevention initiatives as well as the recompression chamber network. He has traveled around the world to conduct safety assessments at facilities used to treat injured divers and has written two books: The Risk Assessment Guide for Dive Operators and Professionals and The Risk Assessment Guide for Recompression Facilities. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nPatti Suggs\n\n\n\nPatti is the Director of Insurance Operations and oversees the strategy and execution of the organization’s insurance operations. Patti works across departments and with global partners to strengthen DAN’s insurance programs\, ensuring they remain responsive to the evolving needs of divers\, dive professionals\, and operators worldwide. She is a dive instructor and business owner with over 10 years of experience at DAN. Patti’s background in business development spans across aviation\, real estate\, IT\, and education\, bringing a broad perspective to her role supporting divers and the diving industry. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nLaura Johnson\n\n\n\nLaura Johnson is the Regional Director for Latin America and the Caribbean at DAN World. Laura began working at DAN in 1999\, the same year she became a certified diver in her home state of North Carolina.  Her passion for diving in Cozumel\, Mexico\, and her love for Latin American cultures led her to relocate to Cozumel in 2009\, where she has lived ever since.  Laura is a PADI dive pro and a DAN Instructor Trainer. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nNathalie E. Judkins\n\n\n\nNathalie is the Director of Member Engagement at DAN. She is a diver and a licensed insurance agent. Nathalie has over 20 years of experience at DAN\, helping divers and travelers navigate the organization’s various insurance products and programs. She works with DAN members\, dive professionals\, and dive operators globally and is fluent in Spanish and French as well as English. \n\n\n\n\n\n\n\n\nGuest Speaker\n\n\n\n\n\n\n\n\n\n \n\n\n\nDr. Dawn Kernagis \n\n\n\nDr. Dawn Kernagis is Director of Scientific Research for DEEP\, a global marine engineering organization that is evolving how humans live and work subsea. A diver since 1993\, Dawn has been involved with undersea exploration projects around the world\, is a diving biomedical research scientist\, and has been inducted into the Women Divers Hall of Fame. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nArmando Ramirez   \n\n\n\nArmando Ramirez is the Sales and Marketing Manager for Catalina Cylinders.  He is responsible for sales worldwide and is based out of the Catalina Cylinders head office in Garden Grove\, CA.  Armando manages sales in the industrial and specialty gases\, medical oxygen\, beverage (CO2) industry\, fire safety and suppression\, auto racing and SCUBA industries.  Prior to joining Catalina\, Armando spent many years in the alternative fuels for transportation field where high-pressure Type 2\, 3 and 4 cylinders were commonly used.  Since joining Catalina\, Armando has dedicated his time and effort to aluminum Type 1 cylinder sales\, support\, quality and safety. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nJimmy W. Horton   \n\n\n\nI am a 1993 graduate of Mississippi State University with a Bachelor of Science degree in Engineering.  I started at Piper Impact in 1994 as a manufacturing engineer with primary focus on cold metal forming and product-process development\, launching new products for the automotive\, defense\, and compressed gas industries..   I continued with the company through the various changes in ownership\, including Essex Industries and Worthington Cylinders\, and since 2015\, Thunderbird\, LLC.  I currently serve as the engineering manager for the Thunderbird Metals South and Thunderbird Metals East facilities. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nDouglas Ebersole    \n\n\n\nDouglas Ebersole has been a certified scuba diver since 1974 and is an interventional cardiologist with the Watson Clinic in Lakeland\, Florida specializing in structural heart interventions.  He is an open circuit recreational and technical diving instructor\, a trimix closed circuit rebreather instructor on multiple units\, and is a cave diving instructor. Given these areas of expertise\, he has been a cardiology consultant to Divers Alert Network for over 15 years and has been faculty on many international diving medicine programs.  His lecture topics this year will be “Cardiovascular Fitness to Dive – What Every Dive Professional Needs to Know” and “PFO and Diving: Understanding the Managing the Risks”. \n\n\n\n\n\n\n\n\n\n\n\n\n\n \n\n\n\nMark A. Gresham\n\n\n\nMark A. Gresham is the owner\, President & CEO of Professional Scuba Inspectors\, Inc.- Professional Cylinder Inspectors\, Inc. \n\n\n\nMark began SCUBA diving in 1977 as a young boy in Florida\, thus began a lifelong passion for scuba diving. While in the US Marine Corps he became a certified diver.  He was certified as a Scuba Instructor in 1991\, PSI Cylinder Inspector in 1996\, PSI Inspector Instructor in 1999 and a PSI Instructor Trainer 2001. Mark has attended many training courses and seminars with US DOT\, OSHA\, NASA and several colleges learning subjects related to cylinders. Mark apprenticed under several notable cylinder manufacturing engineers and metallurgists learning all aspects of manufacturing and testing. \n\n\n\nWith Bill High\, founder of PSI\, Inc. as his mentor\, Mark became a member of the PSI Executive Team in 1999 and contributed directly to the development of scuba cylinder safety guidelines\, training materials and published cylinder safety bulletins.  He co-authored the 5th edition\, INSPECTING CYLINDERS book. \n\n\n\nAs a PSI-PCI Instructor\, Mark has conducted countless inspection courses and safety seminars for SCUBA centers\, SCUBA clubs\, public forums\, hydro re-qualifiers\, fire departments\, all military services\, cylinder manufacturers\, NASA\, NOAA and in support of industry trade shows. \n\n\n\nMark provides technical information and consulting to cylinder manufacturers\, the US Department of Transportation\, Compressed Gas Association\, fire associations\, NOAA\, NASA and all branches of the US Military and foreign militaries.  He works closely with government and industry investigators of high-pressure cylinder related accidents. Mark worked with industry experts and specialists to develop the widely recognized training programs for oxygen cleaning of cylinders (the protocol used now by NASA). \n\n\n\nIn 2006\, Mark added Professional Cylinder inspectors (PCI) as an all-encompassing entity for cylinder inspection training outside the scuba industry\, now providing training for beverage industry\, aviation\, medical and other areas where high pressure cylinders are utilized. He is instrumental in raising awareness among gas industry constituents for the merits of cylinder safety and visual inspection. He provides the most comprehensive\, up to date and specialized Federally required Hazardous Materials (HAZMAT) training in most segments of the gas industry.   \n\n\n\nThe most direct measure of Mark’s influence and success toward the reduction in pressurized gas cylinder failures was zero accidents in 2015. There is no doubt that lives have been saved and certainly injuries prevented by Mark Gresham’s dedication to high pressure cylinder safety training broadly offered in the world today.  \n\n\n\n\n\n\n\n\n\n \n\n\n\n\n\n \n\n\n\n\n\n\n\n\n\n\n \n\n\n\n\n \n\n\n\nDAN Members-Only Social Returns\n\n\n\nJoin DAN and your fellow dive industry professionals at the DAN Social at DEMA to enjoy an evening of conversation\, drinks\, and fun. As your dive safety organization\, we raise a glass to all who work tirelessly to promote dive safety. We hope you can join us. \n\n\n\nDATE & TIME \n\n\n\nTuesday\, November 116–9pm \n\n\n\nLOCATION \n\n\n\nGrand Ballrooms C\, D\, and E \n\n\n\nRosen Centre Hotel\, 9840 International Dr Orlando\, FL \n\n\n\n\n\n\n\n \n\n\n\nShow Notes\n\n\n\n\n\nSchedule A Meeting\n\n\n\nLearn about DAN’s programs by setting up a one-on-one appointment. Submit our online meeting registration form or contact DAN Member Services at DANPros@dan.org  to reserve your time today. \n\n\n\n\n\nInstructor Updates\n\n\n\nDAN Instructors will have several opportunities to get up to date with the latest standards or elevate your teaching credentials; to learn more\, email us at Oxygen@DAN.org.
URL:https://dan.org/event/2025-dema-show/
LOCATION:Orange County Convention Center\, 9800 International Drive\, Orlando\, FL\, 32819\, United States
CATEGORIES:Tradeshow
ATTACH;FMTTYPE=image/webp:https://dan.org/wp-content/uploads/2025/06/Orlando-538010989-1200x600-1.webp
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251111T180000
DTEND;TZID=America/Los_Angeles:20251111T210000
DTSTAMP:20251022T191610Z
CREATED:20250908T140713Z
LAST-MODIFIED:20251022T191610Z
UID:10000041-1762884000-1762894800@dan.org
SUMMARY:DAN Member Social at DEMA 2025
DESCRIPTION:Connect with fellow divers\, enjoy free food & drinks\, and celebrate the dive community. \n\n\n\n🎉 Exclusive DAN Members-Only Event! 🎉\n\n\n\nJoin us for this exclusive DAN members-only social! This special gathering is a chance to connect and enjoy food and drinks on us. \n\n\n\nThe DAN Member Social will take place in Grand Ballrooms C\, D\, and E at the Rosen Centre Hotel\, just a short walk from the Orange County Convention Center exhibition floor. Let’s raise a glass to everyone who works tirelessly to promote dive safety! \n\n\n\n\nGet Your Tickets\n\n\n\n\n \n\n\n\nEVENT SCHEDULE\n\n\n\n6 p.m. | Doors Open & Check-In: Present your e-ticket or membership card at the door\, receive a wristband for entry along with two complimentary drink tickets. \n6 – 6:30 p.m. Hors d’oeuvres & Drinks: Grab a drink at the full-service bar and enjoy delicious\, passed hors d’oeuvres. Bars temporarily close 15 minutes before the start of the presentation. \n6:45 p.m. | Bars Closed & Presentations Begin: Hear from DAN leadership\, learn about our vision for the future\, and celebrate improvements in dive safety. \n7:15 p.m. | Buffet Opens & Bar Reopens: Help yourself to a delicious buffet and visit the bar for another beverage. \n9 p.m. | Event Concludes: Thank you for being a DAN member and for joining our celebration! Pick up a complimentary gift as you depart. \n\n\n\n 
URL:https://dan.org/event/dan-member-social-at-dema-2025/
LOCATION:Rosen Centre Hotel\, 9840 International Dr\, Orlando\, FL\, 32819\, United States
CATEGORIES:Tradeshow
ATTACH;FMTTYPE=image/jpeg:https://dan.org/wp-content/uploads/2025/09/Event-Header-1200x600-2.jpg
ORGANIZER;CN="Divers Alert Network":MAILTO:marketing@dan.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20261103T000000
DTEND;TZID=America/New_York:20261106T235959
DTSTAMP:20260915T153458Z
CREATED:20260401T191830Z
LAST-MODIFIED:20260915T153458Z
UID:10000050-1793664000-1794009599@dan.org
SUMMARY:2026 DEMA Show
DESCRIPTION:DAN IS HERE FOR YOU\n\n\n\nSince 1980\, DAN has worked tirelessly to promote dive safety — operating the 24/7 DAN Emergency Hotline\, conducting dive medical research\, and collaborating with stakeholders throughout the industry to establish best practices for safe operations. Today\, thanks to the support of divers\, training agencies\, dive pros\, and dive businesses\, DAN is stronger than ever. \n\n\n\nDAN will exhibit at booth #1337 during DEMA Show 2026. Held in New Orleans from November 3–6\, this year’s event will bring together professionals from the dive\, travel\, and water sports industries. Recognized as the largest trade-only event in the dive industry\, DEMA anticipates hosting over 500 exhibitors and thousands of professionals. \n\n\n\nTo learn more and register to attend\, visit demashow.com. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nSEMINAR SCHEDULE\n\n\n\nAll seminars are held in room 260\n\n\n\n\n\n\n\n\n\nTuesday\, November 3+\n\n\n\n\nSESSION TITLETIMEFreediving: Human Physiology at the Edge9am – 10amBefore the Alarm Sounds: A New Tool for Safer Liveaboards10am – 11amLessons from the Thai Cave Rescue11am – 12pmBeyond the Dive Profile: The Continuum of Decompression Stress12pm – 1pm2027 DAN Instructor\, Instructor Trainer\, and Examiner Update1pm – 2pmDAN Programs for Dive Pros and Businesses2pm – 3pm\n\n\n\n\n\n\n\n\nWednesday\, November 4+\n\n\n\n\nSESSION TITLETIMEFreediving: Human Physiology at the Edge9am – 10amRevised “Oxygen Clock” Limits for Technical Diving10am – 11amBeyond the Dive Profile: The Continuum of Decompression Stress11am – 12pmRisk Management in Deep Diving Part 112pm – 1pm\n\n\n\n\n\n\n\n\nThursday\, November 5+\n\n\n\n\nSESSION TITLETIMELessons from the Thai Cave Rescue9am – 10amRevised “Oxygen Clock” Limits for Technical Diving10am – 11amUnderstanding Today’s Divers11am – 12pmSafety By Design: Operational Case Studies12pm – 1pm2027 DAN Instructor\, Instructor Trainer\, and Examiner Update1pm – 2pmAnnual Examiners’ Meeting2pm – 3pm\n\n\n\n\n\n\n\n\nFriday\, November 6+\n\n\n\n\nSESSION TITLETIMEBefore the Alarm Sounds: A New Tool for Safer Liveaboards9am – 10amRisk Management in Deep Diving Part 2: The Hydrogen Story10am – 11amSafety By Design: Operational Case Studies11am – 12pmUnderstanding Today’s Divers12pm – 1pmDAN Programs for Dive Pros and Businesses1pm – 2pm\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nSeminar Descriptions\n\n\n\n\n\nTuesday\, November 3+\n\n\n\n\nFreediving: Human Physiology at the Edge\n\n\n\nBy: Matias Nochetto\, MD \n\n\n\nFreediving places unique demands on the human body. While remarkable physiological adaptations make breath-hold diving possible\, they also have limits. This presentation explores how the body responds to depth\, pressure\, and prolonged breath-holding\, explaining the mechanisms behind common injuries and accidents\, including barotrauma\, hypoxic blackout\, and decompression illness. Dive leaders will gain a practical understanding of the physiology that underpins safer and more informed diving. \n\n\n\n\n\n\n\nBefore the Alarm Sounds: A New Tool for Safer Liveaboards\n\n\n\nBy: JoAnn Perry\, MSE \n\n\n\nRecent liveaboard incidents have highlighted the importance of proactively identifying and managing operational risks before they become emergencies. This session introduces a practical Hazard Identification and Risk Analysis (HIRA) checklist developed to help dive professionals and liveaboard operators recognize hazards\, assess risk\, and implement effective mitigation strategies to enhance safety for both crew and guests. \n\n\n\n\n\n\n\nLessons from the Thai Cave Rescue\n\n\n\nBy: Richard “Harry” Harris\, BMBS\, SC\, OAM \n\n\n\nThe story is well known\, but cave diver and anesthesiologist Richard Harris will present an inside perspective on his role in the successful rescue of the 12 boys and their coach from a remote cave in Northern Thailand in 2018. Using a high-risk and unprecedented general anaesthetic technique\, Harry worked closely with other cave divers and rescuers to develop the “least worst” strategy. \n\n\n\n\n\n\n\nBeyond the Dive Profile: The Continuum of Decompression Stress\n\n\n\nBy: Matias Nochetto\, MD \n\n\n\nDecompression stress is often viewed as a function of depth and bottom time\, but the body’s response to diving begins before entering the water and continues long after surfacing. This presentation explores how pre-dive preparation\, in-water decisions\, and post-dive behaviors each influence decompression stress\, integrating current physiology with practical recommendations that divers can apply throughout the entire dive experience. \n\n\n\n\n\n\n\n2027 DAN Instructor\, Instructor Trainer\, and Examiner Update\n\n\n\nBy: JoAnn Perry\, MSE \n\n\n\nDivers Alert Network Instructors\, Instructor Trainers\, and Examiners are invited to attend the 2027 Update. This session will cover improvements and changes from the past year and provide an outlook on changes coming in the year ahead. \n\n\n\n\n\n\n\nDAN Programs for Dive Pros and Businesses\n\n\n\nBy: Angela Williams and Rochelle “Shelli” Wright \n\n\n\nJoin us for an overview of DAN’s membership and insurance programs\, and learn about all the great benefits available to you\, your business\, and your customers. We’ll cover DAN membership benefits\, dive accident coverage\, trip and travel protection\, and liability insurance\, and there will be time to get answers to all your questions. Learn how dive pros and dive operators can use DAN’s programs to better serve your customers\, mitigate risk\, and grow your business. \n\n\n\n\n\n\n\n\nWednesday\, November 4+\n\n\n\n\nFreediving: Human Physiology at the Edge\n\n\n\nBy: Matias Nochetto\, MD \n\n\n\nFreediving places unique demands on the human body. While remarkable physiological adaptations make breath-hold diving possible\, they also have limits. This presentation explores how the body responds to depth\, pressure\, and prolonged breath-holding\, explaining the mechanisms behind common injuries and accidents\, including barotrauma\, hypoxic blackout\, and decompression illness. Dive leaders will gain a practical understanding of the physiology that underpins safer and more informed diving. \n\n\n\n\n\n\n\nRevised “Oxygen Clock” Limits for Technical Diving\n\n\n\nBy: Simon Mitchell\, MB ChB\, PhD \n\n\n\nIn 2025 a seminar involving international experts in technical diving was convened to review the evidence underpinning the current NOAA oxygen exposure limits (“the CNS clock”) that are universally taught to technical divers\, and to consider whether there was sufficient evidence to revise these limits. This presentation will describe that process\, which led to a modified recommendation. \n\n\n\n\n\n\n\nBeyond the Dive Profile: The Continuum of Decompression Stress\n\n\n\nBy: Matias Nochetto\, MD \n\n\n\nDecompression stress is often viewed as a function of depth and bottom time\, but the body’s response to diving begins before entering the water and continues long after surfacing. This presentation explores how pre-dive preparation\, in-water decisions\, and post-dive behaviors each influence decompression stress\, integrating current physiology with practical recommendations that divers can apply throughout the entire dive experience. \n\n\n\n\n\n\n\nRisk Management in Deep Diving Part 1\n\n\n\nBy: Richard “Harry” Harris\, BMBS\, SC\, OAM \n\n\n\nRichard Harris started diving in the late 1970s and always had a fascination with exploration. He developed a niche interest in deep cave diving partly because many of the deep sites were unexplored\, and partly because of an interest in the physical and physiological barriers to diving safely beyond recreational depths. This talk discusses the risks and mitigation strategies based around his signature project in the Pearse Resurgence\, New Zealand. \n\n\n\n\n\n\n\n\nThursday\, November 5+\n\n\n\n\nLessons from the Thai Cave Rescue\n\n\n\nBy: Richard “Harry” Harris\, BMBS\, SC\, OAM \n\n\n\nThe story is well known\, but cave diver and anesthesiologist Richard Harris will present an inside perspective on his role in the successful rescue of the 12 boys and their coach from a remote cave in Northern Thailand in 2018. Using a high-risk and unprecedented general anaesthetic technique\, “Harry” worked closely with other cave divers and rescuers to develop the “least worst” strategy. \n\n\n\n\n\n\n\nRevised “Oxygen Clock” Limits for Technical Diving\n\n\n\nBy: Simon Mitchell\, MB ChB\, PhD \n\n\n\nIn 2025 a seminar involving international experts in technical diving was convened to review the evidence underpinning the current NOAA oxygen exposure limits (“the CNS clock”) that are universally taught to technical divers\, and to consider whether there was sufficient evidence to revise these limits. This presentation will describe that process\, which led to a modified recommendation. \n\n\n\n\n\n\n\nUnderstanding Today’s Divers\n\n\n\nBy: Jim Chimiak\, MD \n\n\n\nRecreational divers enter the water with a range of backgrounds\, abilities\, and medical profiles. But the issues that lead to most injuries and near misses are remarkably consistent and largely preventable. Drawing on real world insights from DAN incident reports\, hotline calls\, info requests\, and field experience\, this session will provide useful insights for divers and dive professionals. The talk highlights the factors most strongly associated with avoidable accidents and translates them into practical strategies divers can apply. \n\n\n\n\n\n\n\nSafety By Design: Operational Case Studies\n\n\n\nBy: Shannon Hunt \n\n\n\nEffective risk management is built through intentional planning and continuous improvement. This presentation uses real operational case studies to demonstrate how proactive hazard identification\, incident analysis\, and corrective actions work together to strengthen dive operations. \n\n\n\n\n\n\n\n2027 DAN Instructor\, Instructor Trainer\, and Examiner Update\n\n\n\nBy: JoAnn Perry\, MSE \n\n\n\nDivers Alert Network Instructors\, Instructor Trainers\, and Examiners are invited to attend the 2027 Update. This session will cover improvements and changes from the past year and provide an outlook on changes coming in the year ahead. \n\n\n\n\n\n\n\nAnnual Examiners’ Meeting\n\n\n\nBy: JoAnn Perry\, MSE \n\n\n\nDAN Examiners are invited to attend this annual meeting. We look forward to introducing you to our training team and discussing upcoming changes and ideas for DAN training. Because of your experience\, we will lean on you for your ideas and knowledge. \n\n\n\n\n\n\n\n\n\n\n\n\nFriday\, November 6+\n\n\n\n\nBefore the Alarm Sounds: A New Tool for Safer Liveaboards\n\n\n\nBy: JoAnn Perry\, MSE \n\n\n\nRecent liveaboard incidents have highlighted the importance of proactively identifying and managing operational risks before they become emergencies. This session introduces a practical Hazard Identification and Risk Analysis (HIRA) checklist developed to help dive professionals and liveaboard operators recognize hazards\, assess risk\, and implement effective mitigation strategies to enhance safety for both crew and guests. \n\n\n\n\n\n\n\nRisk Management in Deep Diving Part 2: The Hydrogen Story\n\n\n\nBy: Richard “Harry” Harris\, BMBS\, SC\, OAM \n\n\n\nWith a decade of experience diving past 150m\, Harry was reaching the limits of what he believed could be safely achieved using current technology. However the sites he was exploring were now heading down past 250m. This talk will describe the path to being the first diver to utilize hydrogen as a breathing gas in a rebreather and the small series of dives performed in New Zealand and South Africa. He will give a frank description of his final hydrogen dive that resulted in spinal decompression sickness and share his thoughts on the future of technical ultra-deep diving. \n\n\n\n\n\n\n\nSafety By Design: Operational Case Studies\n\n\n\nBy: Shannon Hunt \n\n\n\nEffective risk management is built through intentional planning and continuous improvement. This presentation uses real operational case studies to demonstrate how proactive hazard identification\, incident analysis\, and corrective actions work together to strengthen dive operations. \n\n\n\n\n\n\n\nUnderstanding Today’s Divers\n\n\n\nBy: Jim Chimiak\, MD \n\n\n\nRecreational divers enter the water with a range of backgrounds\, abilities\, and medical profiles. But the issues that lead to most injuries and near misses are remarkably consistent and largely preventable. Drawing on real world insights from DAN incident reports\, hotline calls\, info requests\, and field experience\, this session will provide useful insights for divers and dive professionals. The talk highlights the factors most strongly associated with avoidable accidents and translates them into practical strategies divers can apply. \n\n\n\n\n\n\n\nDAN Programs for Dive Pros and Businesses\n\n\n\nBy: Angela Williams and Rochelle “Shelli” Wright \n\n\n\nJoin us for an overview of DAN’s membership and insurance programs\, and learn about all the great benefits available to you\, your business\, and your customers. We’ll cover DAN membership benefits\, dive accident coverage\, trip and travel protection\, and liability insurance\, and there will be time to get answers to all your questions. Learn how dive pros and dive operators can use DAN’s programs to better serve your customers\, mitigate risk\, and grow your business. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nPresenter Bios\n\n\n\n\n\nDAN Speakers+\n\n\n\n\n\n\n\n\n\n\n\n\nMatias Nochetto\, MD FUHM\n\n\n\nMatias is the Executive VP Global Medical Affairs\, Medical Services\, at DAN\, where he has worked since 2006. He is co-director of the DAN-UHMS continuing medical education program and a faculty member of several national and international diving medicine courses and programs. He became a dive instructor in 1999 during medical school\, which led him to complete a three-year clinical and research fellowship in hyperbaric and diving medicine to combine the two passions. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nJim Chimiak\, MD\n\n\n\nDr. Chimiak\, MD is the Chief Medical Officer for Divers Alert Network\, responsible for all medical issues at DAN that include both diving and remote medical issues. He works with the range of diving issues from breath hold to space interacting closely with individual divers\, dive organizations\, chambers\, UHMS\, science/NOAA\, commercial\, military to NASA. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nJoAnn Perry\, MSE\n\n\n\nJoAnn is the Director of Safety Services and training at DAN. She has bachelor’s and master’s degrees in engineering and brings knowledge of safety in the construction and manufacturing industries to scuba diving. JoAnn has been teaching diving since 2008 and is a diving Instructor Trainer and a DAN Examiner. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nRochelle “Shelli” Wright\n\n\n\nShelli is the Director of Commercial Insurance at DAN. She has been a licensed insurance agent for over 25 years\, actively working with all lines of insurance products. Shelli is a dive instructor and an avid technical and full cave diver. She combines her knowledge of insurance and her passion for diving to promote risk mitigation and safety education for the diving community. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nAngela Williams\n\n\n\nAngela is the Director of Membership and Personal Insurance at DAN. She manages the DAN Member Services team and has 18 years of experience at the organization. She is a licensed insurance agent who is highly motivated to ensure DAN members are educated about the personal insurance programs and products DAN offers. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nShannon Hunt\n\n\n\nShannon Hunt is a dedicated dive safety professional with experience spanning research\, training\, and operational management. With a background in marine biology and years of experience as a Dive Safety Officer in zoos and aquariums\, she has overseen programs that integrate safety\, compliance\, and hands-on diver training in complex environments. \n\n\n\nIn her role as the Safety Services Program Administrator\, Shannon works to strengthen safety culture by supporting education\, outreach and safety development programs for the dive industry. \n\n\n\nShe strives to create a culture where every diver\, professional\, and operator is empowered with the knowledge and tools to dive safely. \n\n\n\n\n\n\n\n\n\n\nGuest Speakers+\n\n\n\n\n\n\n\n\n\n\n\n\nRichard “Harry” Harris\, BMBS\, SC\, OAM \n\n\n\nRichard Harris is a former anesthesiologist with experience in remote area\, diving and aeromedical medicine. He started diving over 45 years ago has 25 years of experience with mixed gas rebreathers. Harry has a long standing interest in diving fatality investigation\, and established a cave rescue and recovery capability in Australia in 2010. The 2018 Thai Cave rescue was an opportunity to put this into practice. He now works as a speaker\, film maker and underwater camera operator. He is proud to be collaborating with the Divers Alert Network in the field of diver safety. \n\n\n\n\n\n\n\n\n\n\n\n\n\nSimon Mitchell\, MB\, ChB\, Ph.D.\n\n\n\nSimon Mitchell\, MB\, ChB\, Ph.D.\, is a professor of anesthesiology and a diving medicine specialist at the University of Auckland School of Medicine. Mitchell’s studies on decompression theory and dive medicine have been published in numerous publications\, and he has held numerous service and executive roles in academic societies and organizations. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nDAN Members-Only Social Returns\n\n\n\nJoin DAN and your fellow dive industry professionals at the DAN Social at DEMA to enjoy an evening of conversation\, drinks\, and fun. As your dive safety organization\, we raise a glass to all who work tirelessly to promote dive safety. We hope you can join us. \n\n\n\nDATE & TIME\n\n\n\nTuesday\, November 36–9pm \n\n\n\nLOCATION\n\n\n\nThe Fillmore\n\n\n\n6 Canal St.  New Orleans\, LA \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nShow Notes\n\n\n\n\n\nSchedule A Meeting\n\n\n\nLearn about DAN’s programs by setting up a one-on-one appointment. Submit our online meeting registration form or contact DAN Member Services at DANPros@dan.org  to reserve your time today. \n\n\n\n\n\nInstructor Updates\n\n\n\nDAN Instructors will have several opportunities to get up to date with the latest standards or elevate your teaching credentials; to learn more\, email us at oxygen@dan.org.
URL:https://dan.org/event/2026-dema-show/
CATEGORIES:Tradeshow
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