Dr. Dilip Chetry is a senior primatologist who has been extensively working in the field of primatology for last 3 decades.  His initiatives give special focus on the Hoolock Gibbon where apart from research and education, he led to build the capacity of forest staff of Assam, Arunachal Pradesh and Nagaland.  Currently he is holding the position of Vice- President of Aaranyak and has been leading the Primates Research and Conservation Division of Aaranyak since 2002.  Dr. Chetry is a Vice-Chair of IUCN/SSC Primate Specialist Group of South Asia, Executive member of IUCN/SSC Small Ape Section and a member of the International Primatological Society and American Society of Primatology, Nepal Biodiversity Research Society , Gauhati University Ethics Committee and Vijna Bharati Northeast / Northeast Science Movements. He has also been holding the position of Director of Gibbon Conservation Center at Aaranyak in Hoolock Gibbon Wildlife Sanctuary since 2004. He is also a Board of Director in Scholars Institute of Technology and Management in Guwahati, Assam. Previously he was Honorary Wildlife Warden and member of State Wildlife Board of Govt. of Assam and a member of  Assam State Board for Wildlife . He has published more than 45 research papers in national and international journals.