French national and professional diving instructor since 1989, Marine environmental consultant for hotels, resorts & yacht owners, Underwater cameraman & documentary film maker, founder of Kanaloa Nature & Films, Shark behaviour specialist and advocate for their protection and conservation, David regularly organizes underwater filming expeditions for sharks enthusiasts and celebrities.

His work underwater has been seen on BBC, National  Geographic, Netflix etc. Author of the Book Guide “Sharks for your eyes only” published in 2000. Project manager  for Her Majesty the Queen Sirikit Sea Turtle Conservation’s book, He is a Member of the board of advisors for Bluevoice.org, and ambassador for Shark Guardian.