Meet Our Technical & Safety Leadership

Active local diving operators specialized in cold water profiles, regulator overhauls, and first-response execution.

Jeff Hirschman

Owner & Tech Instructor Trainer

A diving figurehead since the late 1980s, Jeff specialized in multi-tank deep operations across Sheepshead Bay and historic south shore shipwrecks.

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Joey Martorell

Instructor & Master Repair Bench Mechanic

Joey keeps local technical arrays, commercial setups, and custom life-support regulators balanced flawlessly for intense seasonal thermal variations.

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Steve Parisi

IANTD Platinum Technical Instructor

Steve leads extreme environmental gas dynamics, multi-stage accelerated decompression schedules, and structural wreck tracking guidelines.

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Dave Keller

SDI Open Water & Safety Director

Dave manages entry-level comfort programs for non-divers, emphasizing clean gas awareness metrics and patient navigation steps.

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