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Tech Diving Limited Staff
is made up of career industry professionals with more than 100 years of collective experience in diving, technical diving, training, dive safety and medicine, equipment manufacturing, distribution, exploration, expeditions, and dive travel. Our principals are industry leaders seeking to find better ways to serve our customers Each of our highly trained staff are readily available to answer your questions.



Joel Silverstein, Vice President, COO

Since 1988, Joel has completed over 6,400 dives. More than 3,000 have been on shipwrecks all over the world. He has extensive experience with un-teathered mixed-gas diving in the open ocean. At TDL he is responsible for corporate decisions, product selection and placement, technical diver and instructor training, and heads up our expedition diving division. Joel also handles the critical aspects of the company's marketing and positioning within the industry. With all he does he is always available to talk with you about diving and gear. In an effort to give back to the community, Joel spends the early part of each day as a Biology Instructor at the local high school.



Capt. Kathy Weydig, President

Kathy has more than 4,500 dives exploring some of our more notable shipwrecks including the Andrea Doria, USS Wilkes Barre, an Expedition Leader on USS Monitor projects and permit holder for the B-29 Bomber in Lake Mead. She is an active Instructor Trainer with SDI/TDI and a founder of the Women Diver’s Hall of Fame. She has been a scuba instructor since 1989 and holds a 100 ton USCG Master captain’s license. She has served on the Board of Directors of the Divers Alert Network for more than ten years. Kathy handles training and public relations integration at TDL and is always available to talk about community involvement.



Jona Silverstein, Manager Information Technology

Growing up in a dive family Jona breathed on scuba as early as three years old, he was mixing gas by seven, and has been a certified SDI diver since nine. He is actively involved in hiking, climbing, mountain biking, boating, sailing, water-sports, and competitive shooting. Jona earned the rank of Eagle Scout at fourteen and aspires to earn his degree in computer hardware engineering. Jona heads up the internal and critical aspects of the company's information technology, security, and database management.