Nishan is an underwater photographer and marine biologist with a background in coral reef ecology, tropical fisheries, and marine protected area management. He has related work experience in Asia, Australia and North America including travel writing with experience in the recreational dive industry. Nishan is a the Co-founder of Blue Resources Trust, a non-profit marine research and conservation organisation based in Sri Lanka and has previously worked with the IUCN and was a member of Project Seahorse. He is the author of Coral Reefs of Sri Lanka.