Marcus Okafor
PADI Master Scuba Diver Trainer and technical dive equipment specialist with over a decade of experience testing and evaluating gear in diverse marine environments across six continents.
Marcus has logged over 3,000 dives in locations ranging from the kelp forests of the Pacific Northwest to deep wrecks in the Caribbean and coral systems throughout Southeast Asia. As a working dive instructor and equipment specialist, he spends his days introducing new divers to the underwater world while rigorously field-testing the latest regulators, BCDs, and exposure suits in real-world conditions. His approach to gear evaluation prioritizes safety, durability, and practical performance over marketing hype, drawing from thousands of hours underwater and countless equipment failures, successes, and everything in between.
6 published articles on The Scuba Gear Lab
By Marcus Okafor
Published Articles
How-To Guide
DIN vs Yoke Regulator Connection: Which Valve Type Should You Choose?
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How-To Guide
How to Service a Scuba Regulator: Complete Maintenance Guide and Schedule
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How-To Guide
The Complete Guide to Scuba Regulators: How They Work, What to Look For, and How to Choose
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How-To Guide
What is Intermediate Pressure in Scuba Regulators: Understanding IP Settings and Performance
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Buyer's Guide
Best Cold Water Scuba Regulators: 6 Top-Rated Models for Ice and Drysuit Diving
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Buyer's Guide
Best Scuba Regulators for Beginners: Top 7 Picks for New Divers in 2026
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