Gehan de Silva Wijeyeratne is one of Sri Lanka's most high-profile wildlife personalities. Gehan graduated in Civil Engineering from Imperial College London, a global top ten university. He went on to qualify as a Chartered Accountant in London with Deloittes and become a risk management specialist in banking. He is passionate about Sri Lanka's natural history and has authored and photographed over 400 articles for national and international newspapers and magazines on Sri Lankan biodiversity, travel and business topics. His 25 books include A Photographic Guide to the Wildlife of Sri Lanka and numerous Naturalist's Guides, pocket ID guides on specific wildlife, all published by John Beaufoy Publishing.