Dr. Rattan Sagar Khanna is currently working as the Director General, Ganesh Scientific Research Foundation New Delhi. Between February 2007 and November 2008, he was Consultant to the Government of India, Department of Animal Husbandry, Dairying and Fisheries, Ministry of Agriculture and helped the Department frame policy issues concerning animal husbandry and dairy development. He is Council Member and Consultant, Gerson Lehrman Group, New York, USA. He is Independent Director on the Board of Kwality Dairy (India) Ltd., New Delhi.

Dr. Khanna did his B.V.Sc. and A.H. and M.Sc. with Honours in Animal Breeding from the Punjab Agricultural University; Postgraduate Diploma in Semen Freezing, Andrology and Gynaecology from the Royal Veterinary and Agriculture University, Copenhagen, Denmark; Postgraduate Diploma in Farm and Science journalism from the Institute of Farm & Science Journalism, New Delhi. He has done courses related to management and business studies from IIM, Bangalore; M.S. University of Baroda and the National Productivity Council, New Delhi.

He started his career in teaching graduates and postgraduates at the Agricultural Universities at Jabalpur and Hisar. He was with National Dairy Development Board and has held several important positions and moved up as the Regional Director. He was the Managing Director Rajasthan Cooperative Dairy Federation, General Manager, GCMMF, New Delhi.

Dr. R.S. Khanna is a CEC Member of Indian Dairy Association (IDA).