Dr. Budhi Sagar Tiwari is currently working as Ramlingaswami Fellow (DBT, India), School of Life Sciences, Jawaharlal Nehru University, New Delhi, India as well as Visiting Scientist, at same institute under Ramlingaswami Prestigious fellowship program (this program was launched by DBT in the year 2006 for the reversal of Indian Scientists working abroad and he was one among 10 other scientists selected at global level in the first batch of selection). In March 2013, he has been given extension of 2 years on the approval of evaluation committee set up by DBT. He was Research Associate/Research Assistant Professor, Department of Horticulture, Virginia Tech. USA , Visiting Scientist, Department of Plant Biology and Forest genetics, Swedish University of Agricultural Sciences, Uppsala, Independently supported by Wenner Gren Foundation, Post Doctoral Associate, Department of Plant Pathology University of Nebraska, Lincoln, USA, Post Doctoral fellow, Biotech Center, Rutgers: The State University of New Jersey, USA, Post Doctoral Fellow, Department of Plant Sciences, The Hebrew University of Jerusalem, Israel, Post Doctoral Fellow, Department of Biotechnology sponsored program, Bose Institute, Calcutta, India. He has completed Ph.D. (Botany) Banaras Hindu University on the problem pertaining to physio-biochemical bases of desiccation-tolerance in sub-aerial cyanobacterium Scytonema geitleri. He is currently involved in research work including Under DBT sponsored Ramlingaswami Fellowship programme at School of Life Sciences, JawaharLal Nehru University, New Delhi, During his post doctoral studies in Hebrew University he undertook following projects: Role of mitochondria under oxidative stress induced programmed cell death, Role of At-Rab 7 Protein in Membrane Trafficking during Hypersensitive Response. He has taken many distinctions including Postdoctoral fellowship under DBT sponsored post doctoral training program at Bose Institute, Calcutta, India, served as panel member of USDA project evaluation committee, Panel leader: Professor Martin B Dickman. Awarded Visiting Scientist fellowship from Wenner Gren Foundation, Sweden, at Swedish University of Agricultural Sciences, Uppsala, Sweden, Awarded DBT Sponsored Ramlingaswami Fellowship at Jawahar Lal Nehru University, New Delhi .He was volunteer reviewer of 6 Journals. He is member of American Society of Plant Biology, International Cell Death Society. He has presented 17 research paper and 4 book chapters at national and international level.