Christophe Mason-Parker is a passionate conservationist and a photographer who has long had a fascination for the marine world. Having worked on numerous conservation programs from Southeast Asia to the Caribbean, he is now living in the Seychelles where co-founded Sea Turtle Friends Seychelles, an NGO promoting education of the species. He has contributed articles to various newspapers and magazines. Dr. Ryan Daly is a qualified Scuba diver. Following years of fieldwork, he became Research Director for the Save Our Seas Foundation - D'Arros Research Centre in Seychelles, where he initiated the study that lead to this book. Clare Keating is a qualified Scuba instructor, who became Program Director of the SOS Foundation. Guy Stevens is the Chief Executive and Co-Founder of the Manta Trust, a charity dedicated to the conservation of manta rays, with collaborative projects in over 25 countries.