Formerly: Senior Editor, Marine Technology Society Journal; Producer, marine conservation films; Founder, cooperative deep-sea research programme between Japan and the US. Currently, also lecturer, scuba instructor and research diver. National Fellow, Explorers Club. Author: articles for science and popular publications including Nature and National Geographic Magazine; Ice Island (2003). Recipient of awards including: National Science Foundation and US Navy Antarctic Service Medal for research in Antarctica; Heroes of 2007, National Geographic Society; 2011 Peter Benchley Award - Excellence in Solutions. Expertise: undersea technology and exploration, deep-sea submersibles, undersea habitats and scuba diving.