Comprehensive article on the life and work of Dr. Mark Erdmann. Formerly Vice President of Asia-Pacific Marine Programs at Conservation International and now Executive Director of ReShark and Shark Conservation Director at Re:wild, Erdmann has been at the forefront of efforts to transform marine protection from a top-down regulatory exercise to a bottom-up, community-owned endeavor. Few places showcase this as clearly as Raja Ampat, the archipelago off West Papua that has become the crown jewel of Indonesian marine conservation.