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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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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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Jon Bernot
Jon Bernot began diving in the lakes in Oklahoma as a teenager. While attending the University of Oklahoma he worked…
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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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German Arango
German (aka Mr.G.) was born in Colombia and has been actively diving for the past 15 years. He has been…
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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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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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Nate Garrett
Nate is a Naui scuba instructor trainer with 25 years of diving under his belt and a passion for the…
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Lauren Kieren
Lauren is a passionate and accomplished technical, cave, and rebreather instructor/instructor trainer and former Director of Product Development for Technical…
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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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Dawn Kernagis
Dr. Dawn Kernagis is a Research Scientist studying ways to optimizing human performance in extreme environments, including undersea, at altitude,…
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Erikos Kranidiotis
Erikos Kranidiotis was born in 1977 in Athens. He is half Greek and half British and spent many years living…
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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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Scott Sanders
An active diver for 20 years, the water is Scott’s office, playground, and sanctuary. He travels the Northeast US as…
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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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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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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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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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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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John Bentley
John Bentley is a reformed redneck who dropped everything when he learned to dive in college and switched the plan…
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Jakub Šimánek
Jakub is a Liberty CCR Factory Instructor Trainer. He inherited the passion for underwater world from his father as a…
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Joshua Shouse
Joshua Shouse is a Kentucky native that learned to scuba dive while in college in 2013.Josh quickly got into technical…
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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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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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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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SJ Alice Bennett
With a background in event and documentary photography, SJ has a passion for creating images that tell a story –…
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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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Edd Sorenson
Edd Sorenson (born October 17, 1959) is a technical cave diver known for numerous rescues of lost or trapped divers…
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Neal Pollock
Neal Pollock is an Associate Professor in Kinesiology at Université Laval in Québec, QC. He was previously Research Director at…
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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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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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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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Jill Heinerth
Jill Heinerth is a veteran of over thirty years of filming, photography and exploration on projects in submerged caves around…
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Paul Toomer
After living in South Africa for 23 years it's odd that Paul discovered diving in the cold waters of Southern…
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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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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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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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Richie Kohler
Richie Kohler is an author and shipwreck explorer whose 40 years of underwater research and shipwreck exploration have taken him…
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Marty O’Farrell
Marty O’Farrell started his diving career in 1980 in Seattle Washington in the chilly waters of Puget Sound. He dove…
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Matteo Ratto
Matteo is a Technical Cave, Trimix & DPV Instructor Trainer, CCR and P-SCR Diver. He started diving in 2003 and…
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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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Josh Thornton
Josh Thornton, co-organizer of TEKDiveUSA, has been diving for 23 years, and teaching for 17 of those. Josh took his…
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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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Guy Shockey
Guy Shockey started diving in 1982 in a cold mountain lake in Alberta, Canada. Since then he has logged somewhere…
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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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Horst Dederichs
Horst is the CEO of dive2gether.net the company behind SCUBA FORCE & SF2 ECCR. He has been a scuba instructor…
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Stratis Kas
Stratis has been diving since 2001. With a truly global experience in diving, from South America to Hawaii, and from…
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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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Payal Razdan
Payal Razdan is a doctoral student in kinesiology at Université Laval exploring the impact of extreme environments on physiological adaptation,…
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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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Douglas Ebersole
Douglas Ebersole, MD is an interventional cardiologist at Watson Clinic in Lakeland, Florida as well as the Director of the…
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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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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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Patrick Widmann
Patrick Widmann, born in Austria, has spent the last 13 years living in Mexico exploring caves and teaching cave diving.…
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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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Anthony Tedeschi
Anthony Tedeschi was born and raised in Southern New Jersey. His love for the water began at a young age…
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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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Andrew Pitkin
Dr. Andrew Pitkin learned to dive in 1992 in the cold murky waters of the United Kingdom and started cave…
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Natalie Gibb
Natalie Gibb's passion in life is underwater cave exploration and conservation. With her exploration partner Vincent Rouquette-Cathala, she has lead…
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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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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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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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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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Tiffany Norberg
Tiffany Norberg has spent her entire diving career in the colder waters of Scandinavia and has a passion for the…
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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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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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Dave Conlin
Dave was born and raised in Boulder Colorado. After undergraduate work in anthropology and archeology at Reed College, he received…
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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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Kees Beemster Leverenz
Kees Beemster Leverenz is a GUE instructor with a decade of technical and cave diving experience. He is a passionate…
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Vic Verlinden
In 1993 Vic discovered the East India trader “ The Roompot” in the North sea. A homeward bound vessel that…
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David Doolette
Associate Professor David Doolette began scuba diving in 1979, was introduced to sinkholes and caves of Australia in 1984. During…
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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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John Kendall
John Kendall is a GUE technical, cave and CCR instructor living in the UK. Since he was a small child,…
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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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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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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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Jo Mikutowicz
Joanna is the owner of one of the Caribbean's largest Technical diving companies, Divetech. Originally certified as an Open Water…
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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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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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Tom Steiner
Tom Steiner van den Ouweelen is a Technical Instructor Trainer living in Gozo, Malta. His passion is teaching technical diving…
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Evan Kovacs
A diver, passionate explorer, and underwater cinematographer, Evan Kovacs began is his underwater filming 2002 while working with the History…
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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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Tomasz Stachura
Tomasz Stachura is one of the most active wreck divers in the Baltic Sea. He specializes in deep underwater wreck…
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Edd Stockdale
Edd Stockdale dives, a lot; everywhere. He has spent the last decade exploring, teaching and working with research teams in…
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Dominic Housiaux
Dominic Housiaux is the Principal of Lankey & Limey Ltd. Offering Strategic, Creative, Safety Consulting, Technical, Production, and Labor Services…
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Maria Fotiadi
My name is Fotiadi Maria. I was born in Greece at 12 January 1990. I studied Archaeology and History at…
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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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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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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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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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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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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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Frauke Tillmans
Frauke Tillmans is the Research Director at Divers Alert Network (DAN). She has a degree in Human Biology and a…
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Stelios Stamatakis
Born in Athens, Greece in 1978 he studied and obtained his degree in Mechanical Engineering and currently works in the…
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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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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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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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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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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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Gareth Lock
Gareth Lock has spent the last 8 years focusing on the role of human factors and non-technical in diving successes…
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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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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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Simone Villotti
Simone started diving in 1992. In 1994 he added diving in his cave exploration. Exploration is a lifestyle for Simone,…
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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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Jon Kieren
Jon Kieren is a renowned cave, technical, and CCR instructor/instructor trainer who has dedicated his career over the past 11…
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Marissa Eckert
Marissa Eckert is a passionate full time technical diving Instructor and dive shop owner, specializing in cave, rebreather, sidemount, and…
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Erika Boruff
You can find Erika Boruff on, in or under the water. She lives and works on a catamaran, in the…
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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
Since childhood, Joe Mazraani has been fascinated by the sea, its creatures and the allure of the underwater world. Growing…
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Brett Seymour
Brett Seymour is the Deputy Chief of the US National Park Service’s (NPS) Submerged Resources Center (SRC) based in Denver,…
