Terrence Tysall

Terrence Tysall


With 44 years of diving experience, Terrence N. Tysall SR. is one of the underwater world’s most accomplished explorers. From deep WWII wrecks of the South Pacific, to the submerged caves of Yucatan, Belize, and Bermuda, to the historic wreck of USS Monitor, to the lava tubes of the Canary Islands, Terrence has dived some of the planet’s most remote waters gathering data about what lies at the bottom and beyond.

Terrence has led multiple scientific/research expeditions around the world, including the first SCUBA exploratory dives on the SS Edmund Fitzgerald in Lake Superior, the USS Atlanta off of Guadalcanal in the Solomon Islands, and the first cave exploration and geologic sampling conducted at the bottom of the Great Blue Hole of Belize.

As a US Army Captain Tysall returned from Iraq and serving stateside as the Commanding Officer of the U.S. Army’s 627th Heavy Dive Team. Now as a MAJ he is the Commander of the FLARNG Officer’s Candidate School at Camp Blanding Florida. He is the founder and past chairman of the board of the Cambrian Foundation, and he is also the founder and president of Benthic Technologies, Inc., a consulting firm that specializes in underwater applications and technology.

On the civilian side; Terrence is currently the Director of Training for NAUI Worldwide. Terrence has earned instructor trainer ratings from ANDI, DAN, IANTD, NAUI, NSSCDS, NACD, SSI, and TDI. In addition to these certifications, Terrence serves on a variety of technical advisory boards for NOAA and other scientific research agencies both in the United States and abroad.