Aqua Quest Publishing

West Coast Division

Aqua Quest Publications, Inc. is the leading publisher of scuba diving travel guides, underwater photography, diving history, and marine reference in the diving industry. The West Coast Division covers Pacific & Caribbean dive destinations and operations, equipment evaluation, and field documentation in support of ongoing publication projects.

Dr. George S. Lewbel holds a Ph.D. in Biological Oceanography from Scripps Institution of Oceanography (UCSD) and is a marine biologist and author with more than five decades of underwater field experience. He served as an Aquanaut on NOAA air saturation missions in the Hydrolab Underwater Habitat, Grand Bahama (1973), and has logged 2,466 dives (2026).

He has authored or co-authored more than 200 magazine articles and books on diving, including multiple editions of Diving Bonaire (Aqua Quest Publications), the Diving and Snorkeling Guide to Cozumel (Lonely Planet/Pisces Books), and guides to Curaçao and Bonaire. He served as West Coast Editor of In Depth magazine (1986–96) and Equipment Editor of Undercurrent (1997–98), and lectured on dive computer usage for Sea Quest, Inc. at DEMA '88, '89, and '90.

Dr. Lewbel holds PADI Honorary Gold Master Instructor status and served as a long-term consultant on dive equipment design and documentation to Sea Quest, Inc. and Suunto, Inc. He is a retired volunteer firefighter with Felton Fire in Felton, California.

Hannah Lewbel serves as Executive Editor for the Aqua Quest Publications West Coast Division. She is credited as an underwater model and photographer across multiple published diving titles, including a photography credit in the Diving and Snorkeling Guide to Cozumel. Her field work spans reef systems throughout the Pacific and Caribbean. She has also been a long-time editor of technical publications and systems documentation spanning research, enterprise, and consumer organizations.

With a background and degrees in Electrical Engineering and Software Development, Hannah has extensive consumer hardware and software product development experience. She has held key hardware roles at Apple and Amazon, and executive leadership and technical delivery roles at Microsoft. She holds more than 33 patents making products more intuitive, accessible, and easy-to-use for customers.

Hannah brings technical rigor to scuba equipment field evaluation on scientific research studies and recreational diving research sites in remote locations such as Kosrae (scientific coral reef survey), Papua New Guinea, the Federated States of Micronesia (Chuuk, Yap), and Cuba. Her hands-on product testing and attention to technical detail pairs strongly with Dr. Lewbel's editorial work and together they have logged over 500 dives covering dive site analysis, equipment testing on regulators, dive computers, buoyancy systems, underwater lighting, strobes, and emergency gear.

Hannah is a retired volunteer firefighter and certified EMT, with field experience in emergency systems evaluation relevant to dive safety coverage and travel medicine.