obtained his M.Sc. and Ph.D. degrees from University of Delhi. He is actively engaged in research in the field of seaweeds since 1983. He was the first Indian student to visit Antarctica during 1987-88 in the 7th Indian Scientific Expedition to Antarctica. He undertook two trips to Arctic during 1991 and 1992. He was a visiting fellow at Smithsonian Institution, Washington DC, USA in 1992, INSA visiting fellow at Kochi University, Japan 1999-2000 and visiting fellow at Stamford University, USA 2002. He has visited all the seven continents and five oceans within a record time of 18 months during 1988-89. He had his training in Seaweed Cultivation and Utilisation at Philippines and Japan and visited Australia, USA, Spain, Canada, France, England, Switzerland, Peru, Portugal, Thailand, Sri Lanka, Germany, Austria, Italy, Mauritius, China, the Netherland, Hong Kong, Singapore, Bangladesh, Malaysia, Greece, Turkey, UAE, Norway, Sweden, Finland, Denmark, South Africa, South Korea, Taiwan and many other countries. He participated in many National and International Conferences. Dr. Sahoo was Chairman of the Applied Phycology Session during 4th International Phycological Congress, held at USA, 1991; Chairman, Applied Phycology Session 14th International Seaweed Symposium held at France, 1992 and Chairman, Algal Biotechnology Session, 7th International Phycological Congress held at Greece, 2001. He was Member of the International Organizing Committee and Chairman, contributed paper session, 5th International Phycological Congress, China, 1994. Dr. Sahoo organized as International Conference on Applied Phycology entitled "Algae in Biotechnology and Environment" held at New Delhi, India in 2006. Participated in the International Symposium on Marine Algae and Global Warming held at Korean National Assembly Seoul, South Korea, 2006. Member, Working Group (Asian Network for using Algae as CO2 sink). He was the Convenor of mini symposium on Seaweed Cultivation and Utilization during XIXth International Seaweed Symposium held at Japan, 2007. Dr. Sahoo is recipient of several awards including Young Scientist Award and Zahoor Qasim Gold Medal. He is member of several International and National bodies, holding positions in various societies. Presently, he is the Secretary of Indian Phycological Society and the Executive Editor of its Journal. He has published several research papers, authored, co-authored and co-edited five books entitled 1. "Farming the Ocean: Seaweeds Cultivation and Utilization", 2. "Seaweeds of Indian Coast", 3. "Sustainable Aquaculture", 4. "Advances in Marine and Antarctic Science", 5. Porphyra: Harvesting Gold from the Sea. He has been actively involved in application of Science & Technology for various rural development programme at the grass roots level. Presently, he is involved in teaching and research at the Department of Botany, University of Delhi, Delhi-110007, India