S. Karthikeyan has a deep love for wildlife, personally and professionally. He is an avid birdwatcher and also has a keen interest in butterflies.

Karthikeyan is an amateur photographer and has till date photographed a wide variety of subjects including butterflies, landscapes, wild flowers, flowering trees, lesser mammals, birds, reptiles, amphibians and other insects.

Many of his works have been published in leading dailies like Deccan Herald, magazines like March of Karnataka, Sanctuary Asia and Newsletters of WWF-India and publications like Some South Indian Butterflies, Amphibians of Peninsular India, A Field Guide To Indian Mammals, Encounters in the Forest, A Photographic Guide to Birds of India and Nepal and Publications of Centre for Environment Education to name a few.

Karthikeyan has been educating and creating awareness among the young and old alike on various aspects of natural history through nature camps, talks, slide shows, nature activities. He works primarily with nature clubs in schools, corporates, and private institutions.

He has undertaken various faunal surveys including those at Biligirirangaswamy Temple Wildlife Sanctuary and Devarayanadurga State Forest and Bannerghatta National Park besides doing a project on the little known Indian Tree Shrew.

He has authored a booklet - The Fauna of Bangalore: The vertebrates and butterflies of Bangalore – A Checklist that gives a listing of mammals, birds, reptiles, amphibians, fishes and butterflies published by WWF-India, Karnataka State Office.

He has co-authored a booklet comprising of activities targeted at high school students titled Ideas for Outdoors – Plants also published by WWF-India, Karnataka State Office, Bangalore.

He has over 50 technical publications in International/National journals and periodicals and over 85 popular articles (most with supporting pictures) in leading dailies, magazines and other periodicals.

Prior to joining Jungle Lodges and Resorts Ltd. As the Chief Naturalist, he was working with WWF-India for over 13 years.

He is currently involved with the new Training wing of JLR, which offers courses for budding naturalists and also trains organisations on Ecotourism Assessment and Development.