Speaker Alumni

  • Charlie Roberson

    Charlie Roberson

    Charlie Roberson is an attorney who lives and practices law in Gainesville, Florida.  Charlie learned to dive in 1991 while…

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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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  • Phil Short

    Phil Short

    Phil came to diving from a background of speleology (Dry caving) that lead him into various disciplines such as rope…

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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • Paul Toomer

    Paul Toomer

    Bio Coming Soon

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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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  • Jo Mikutowicz

    Jo Mikutowicz

    Bio Coming Soon

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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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  • 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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  • German Arango

    German Arango

    Bio Coming Soon.

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  • Kirill Egorov

    Kirill Egorov

    Kirill Egorov graduated from Moscow State Pedagogical University as a teacher of Physics in 1999, and attended a course of…

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  • Peter Buzzacott

    Peter Buzzacott

    Dr. Peter Buzzacott, MPH, PhD is a certified advanced trimix cave diver and former recreational and technical diving instructor with…

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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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  • Guy Shockey

    Guy Shockey

    Bio Coming Soon.

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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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  • 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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  • Jens O. Meissner

    Jens O. Meissner

    Jens is a management researcher at the University of Applied Sciences Lucerne and University of St. Gallen in Switzerland.  Jens is a…

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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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  • 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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  • 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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  • 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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  • Tom Crisp

    Tom Crisp

    After taking a cave class in 2010, Tom found himself wanting to dive in flooded caves as much as possible.…

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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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  • 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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  • 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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  • 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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  • Jessica Keller

    Jessica Keller

    Jessica Keller is an underwater archaeologist with the National Park Service (NPS) Submerged Resources Center (SRC) based in Denver, CO.…

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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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  • 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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  • 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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  • 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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  • Simon Mitchell

    Simon Mitchell

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

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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • Jared Hires

    Jared Hires

    Jared Hires is General Manager of Dive Rite, a premier technical dive gear manufacturer established in 1984. Having grown up…

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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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  • 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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  • 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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  • 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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  • 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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  • Becky Kagan Schott

    Becky Kagan Schott

    Becky Schott is a multiple Emmy Award-winning underwater cameraman, photographer, and accomplished technical diver whose work can be seen on…

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  • David Concannon

    David Concannon

    David Concannon is an attorney and explorer with nearly 40 years of experience as a scuba diver and over 25…

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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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  • 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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  • Jon Bernot

    Jon Bernot

    Bio Coming Soon.

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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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  • 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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  • Rod Macdonald

    Rod Macdonald

    Rod Macdonald is an internationally renowned shipwreck explorer, undersea adventurer and best selling diving author with 10 books to his…

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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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  • 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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  • 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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  • 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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  • Neal Pollock

    Neal Pollock

    Dr. Neal Pollock is an Associate Professor in Kinesiology at Université Laval in Québec, QC and Research Chair at the…

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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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  • 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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  • 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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  • Gemma Smith

    Gemma Smith

    Gemma started diving in 2008 and has been diving professionally for almost a decade. She has logged over 2000 dives…

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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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  • 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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  • 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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  • 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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  • Nathalie Lasselin

    Nathalie Lasselin

    Nathalie Lasselin is a multi award winning underwater cinematographer and documentary producer.  Aqua Incognita: Made in China has been produce…

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  • Beatrice Rivoira

    Beatrice Rivoira

    Beatrice is an Italian professional scuba diver with a Master Degree in Marine Biology and Oceanography. She has started really…

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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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  • 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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  • 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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  • 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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  • Bartek Buszko (Bartek Ra)

    Bartek Buszko (Bartek Ra)

    Bartek's adventure with diving began in 1997 in Mexico. Over the years he has developed his skills and gained experience…

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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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  • 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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Safety Warning

WARNING: Scuba diving is an inherently dangerous sport that can result in serious injury or death if you do not receive the proper training and practice safe diving techniques. The ideas, topics and material presented at TEKDiveUSA are those of the presentor, and TEKDiveUSA LLC does not endorse, support, advocate or accept liability for any of said material / content.

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