Speaker Alumni

  • Richie Kohler

    Richie Kohler

    Richie Kohler’s passion for maritime history has led him to explore some of the most challenging shipwrecks in the world,…

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  • Renee Power

    Renee Power

    Reneé Power is co-author of Women Underwater with Jill Heinerth. She has participated in dozens of underwater research projects and…

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  • David Doolette

    David Doolette

    Dr David Doolette began scuba diving in 1979, was introduced to sinkholes and caves of Australia in 1984. During this time…

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  • Arne Sieber

    Arne Sieber

    Assoc. Prof. Arne Sieber, PhD is a researcher working in the field of sensor technologies for rebreathers, dive computers and…

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  • Joel L. Clark

    Joel L. Clark

    Growing up in East Tennessee, Joel always loved adventure (whether it came in the form of hunting or WERA endurance…

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  • Josh Thornton

    Josh Thornton

    Josh Thornton, co-organizer of TEKDiveUSA, has been diving for 18 years, and teaching for 13 of those. Josh took his OC…

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  • Gabriele Paparo

    Gabriele Paparo

    Gabriele Paparo is an active scuba diving instructor & technical/rebreathers diving instructor for several scuba diving agencies (TDI – PADI…

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  • John Zumrick

    John Zumrick

    There I was at the University of California, San Diego doing and surgical residency and not to happy about it.…

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  • Joseph Dituri

    Joseph Dituri

      CDR Joseph Dituri enlisted in the U.S. Navy in 1985. He has served continuously on active service upon various…

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  • Brian Kakuk

    Brian Kakuk

    Brian is a former U.S. Navy Diver with over 30 years of professional diving experience.  His work has taken him…

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  • Dan Wright

    Dan Wright

    Dan has been diving for 20 years continuously, moving along in a steady pace in training and dive complexity as years…

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  • Lauren Kieren

    Lauren Kieren

    Lauren Kieren is an active technical diver and Instructor Trainer with a passion for CCR cave diving. In 2013, TDI…

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  • Krzysztof Starnawski

    Krzysztof Starnawski

    Krzysztof Starnawski has been diving for 25 years and has spent the last 20 years diving in caves. He originally…

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  • Janne Suhonen

    Janne Suhonen

    Janne Suhonen is a Helsinki-based freelance photographer. Born in 1975, he graduated from the Lahti Design Institute and specializes in underwater photography.…

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  • Matt Vinzant

    Matt Vinzant

    Matt Vinzant has been infatuated with springs and caves his entire life. In 1998 at the age of 12 he…

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  • Dawn Kernagis

    Dawn Kernagis

    Dr. Dawn Kernagis is a biomedical researcher and has been a diver (including cave, technical and free diving) since 1993. Dawn…

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  • Bradley Sheard

    Bradley Sheard

    Brad Sheard has been diving and photographing shipwrecks for more than 30 years, in both warm water and cold, from…

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  • Curt Bowen

    Curt Bowen

    Specializing in extreme underwater photography, Curt has traveled the northern and southern hemispheres on dozens of expeditions capturing images of…

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  • Tom Jaspers

    Tom Jaspers

    Tom started diving in 1976. At the end off the 1990s he discovered diving with a rebreather and became addicted…

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  • Karim Hamza

    Karim Hamza

    Professional LAUE President and Administrator Co-owner of Hollywoodivers 2001 to present U/W coordinator, safety diver, scuba trainer for cast and…

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  • Rick Stanton MBE

    Rick Stanton MBE

    Cave explorers generally fall into one or other of two categories; technical divers who dive in flooded caves but rarely…

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  • Elliott Jessup

    Elliott Jessup

    Elliott Jessup began diving as a young teenager and started diving professionally 10 years ago after quitting an office job…

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  • Michael Menduno

    Michael Menduno

    Michael is an award winning journalist & technologist who has written about diving and diving technology for more than 25…

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  • Becky Kagan Schott

    Becky Kagan Schott

    Becky is extremely passionate about sharing the underwater world with others both through her imagery or teaching someone to dive.…

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  • Martin Robson

    Martin Robson

    Martin Robson, a former Royal Marine Commando, began diving with the military in his late teens. He is now one…

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  • Martin Parker

    Martin Parker

    Martin Parker is the Managing Director of Ambient Pressure Diving, the British designers and builders of the successful, award winning…

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  • Gareth Lock

    Gareth Lock

    Gareth Lock is a retired Royal Air Force flight instructor now teaching Human Factors and Crew Resource Management in the…

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  • John R. Clarke

    John R. Clarke

    John R. Clarke, Ph.D., has been the Scientific Director of the Navy Experimental Diving Unit (NEDU), since 1991. From 1979…

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  • Jakub Rehacek

    Jakub Rehacek

    Jakub is an owner of Golem Gear, Inc., purveyors of advanced expedition grade diving equipment. Jakub’s diving interests are geared…

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  • Mark Powell

    Mark Powell

    Mark Powell is one of the UK’s best known technical diving instructors. He has been involved in diving since the…

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  • Karl Shreeves

    Karl Shreeves

    Karl Shreeves is Technical Development Executive for PADI (Professional Association of Diving Instructors). A recreational and technical diving instructor/instructor trainer,…

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  • Kevin Juergensen

    Kevin Juergensen

    Kevin Juergensen is one of the founders of the modern rebreather industry, having formed his company, Juergensen Marine, Inc. in…

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  • Lamar Hires

    Lamar Hires

    Dive Rite CEO, Lamar Hires started his diving career in North Florida in 1979. Within his first 5 years of…

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  • Bruce Partridge

    Bruce Partridge

    Bruce Partridge is President of Shearwater Research Inc., the maker of the Shearwater Petrel and NERD.  Shearwater controllers are standard…

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  • Douglas Ebersole

    Douglas Ebersole

    Douglas Ebersole, MD is a cardiologist at Watson Clinic LLP in Lakeland, Florida specializing in coronary and structural heart interventions.…

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  • Richard Lundgren

    Richard Lundgren

    Richard Lundgren has worked as a diver professionally around the world for more than 20 years. He has been fortunate…

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  • Neal Pollock

    Neal Pollock

    Dr. Neal Pollock is Research Director at Divers Alert Network (DAN) and a Research Associate in the Center for Hyperbaric…

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  • Antti Apunen

    Antti Apunen

    Author Antti Apunen is a Helsinki-based writer and entrepreneur. He has authored multiple books and still works with several newspapers…

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  • Michael Barnette

    Michael Barnette

    An accomplished diver, author, and photographer, Michael Barnette has been actively researching and exploring shipwrecks for almost 25 years, resulting…

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  • Hal Watts

    Hal Watts

    Hal Watts is the founder of The Professional Scuba Association International (PSAI). His first experience with SCUBA was in 1955…

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  • Cristina Zenato

    Cristina Zenato

    Cristina Zenato was born in Italy and grew up in the middle of the rain forest of the African Congo…

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  • Pete Mesley

    Pete Mesley

    Pete's passion for diving started in the cold English waters over 25 years ago. This is where his "Lust for…

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  • Jim Kozmik

    Jim Kozmik

    Over 260 motion pictures, commercials, documentaries, underwater television shows, has kept Jim Kozmik busy over the last 30 years. This…

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  • Randy Thornton

    Randy Thornton

    Randy Thornton, organizer of TEKDiveUSA, is a CCR Trimix Instructor Trainer and CCR Cave Instructor and serves as a member…

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  • Phil Short

    Phil Short

    Phil started diving in 1990 from a background of dry caving and climbing and at first only completed a PADI…

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  • Dan Warkander

    Dan Warkander

    Dr Dan Warkander did his first open water dive when he rolled backwards off the boat in Scapa Flow, Scotland. That and…

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  • Tom Mount

    Tom Mount

    Tom has a Ph.D. in natural health science a N. D. as a naturopathic Doctor and Th.D in.inntegral Energy medicine…

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  • Jill Heinerth

    Jill Heinerth

    Jill has dived deeper into caves than any woman in history. With a collection of magnificent images, from Antarctic iceberg…

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  • Brett Seymour

    Brett Seymour

    Brett Seymour is the Deputy Chief of the US National Park Service’s (NPS) Submerged Resources Center (SRC) based in Denver,…

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  • Gemma Smith

    Gemma Smith

    Gemma started diving in 2008 and has been diving professionally for 5 years. She has logged over 2000 dives in…

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  • Paul Heinerth

    Paul Heinerth

    Paul was born in the province of Quebec and moved to Florida in July 1967. He began diving in 1969…

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  • Matthew Addison

    Matthew Addison

    Matthew Addison began diving rebreathers in 1996 with Steam Machines shortly after Peter Readey moved his operation to California. Matthew…

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  • Joel Silverstein

    Joel Silverstein

    Joel Silverstein holds a remarkable record of technical diving, diver training, and international publishing experience. His SUBAQUA magazine was a…

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  • Michael Thornton

    Michael Thornton

    Michael Thornton co-organizer of TEKDiveUSA, started diving in 1998 and has been an addict ever since. Michael first became a…

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  • Dave Conlin

    Dave Conlin

    After undergraduate work at Reed College, Dave Conlin received a master’s degree from Oxford University in Aegean and underwater archeology…

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  • Brian Carney

    Brian Carney

    Brian Carney is the President of one of the largest technical diving certification agencies in the world, Technical Diving International…

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  • Evan Kovacs

    Evan Kovacs

    Evan Kovacs has been working in the marine environment for nearly two decades as a diver, boat captain, director of…

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  • Bart Malone

    Bart Malone

    A mishap at a swimming pool as a teenager, and subsequent swimming and diving lessons, led Bart Malone to a…

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  • Leon Scamahorn

    Leon Scamahorn

    Leon Scamahorn is the CEO of InnerSpace Systems Corp and inventor of the Megalodon CCR.  Leon is a 13 year…

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  • Mike Young

    Mike Young

    Mike Young grew up in the mountains of Colorado. At a young age, he became an extreme skier, an avid…

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  • Andrew Pitkin

    Andrew Pitkin

    Andrew Pitkin learned to dive in 1992 in the cold murky waters of the United Kingdom and started cave and…

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  • Steve Lewis

    Steve Lewis

    Steve Lewis has been an active technical diver, instructor and expedition leader since the early 1990s when diving was an…

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  • Joe Mazraani

    Joe Mazraani

    Since childhood, Joe Mazraani has been fascinated by the sea, its creatures and the allure of the underwater world. Growing…

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  • Simon Mitchell

    Simon Mitchell

    Associate Professor Simon Mitchell MB ChB, PhD, DipDHM, DipOccMed, FUHM, FANZCA Simon is an anesthesiologist and diving physician and is…

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  • Brett B Hemphill

    Brett B Hemphill

    Brett B Hemphill has been the current President of Karst Underwater Research/KUR. This nonprofit group currently matins multiple permits in the…

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