Prof Gopal Nath got his M.B.B.S. from Allahabad and M.D. & PhD (Microbiology) degrees from Banaras Hindu University. His research area is Salmonella, Gut Microbiome, and Bacteriophage Therapy. He has teaching experience of 37 years in medical microbiology. He is a pioneer in the field of clinical Bacteriophage Therapy. He is the founder and secretary of the Society for Bacteriophage Research and Therapy. He has established for the first time that chronic Salmonella Typhi infection may lead to malignant transformations in the hepato-biliary tract. S. Typhi is the second bacteria implicated in carcinogenesis after Helicobacter pylori. He has published 290 research articles with an H factor of 55 and a total citation of more than 11412. He has screened several synthetic and natural compounds for their antimicrobial activity. He has been a visiting Professor at S.K.C.C., San Diego, U.S.A. He was a jury member selected for the prestigious International King Faisal Award, Saudi Arabia 2015. Currently, he is carrying out different aspects of clinical applications of Bacteriophage therapy, especially chronic wound healing, safe dose determination in cases of septicaemia and treating auto-brewery syndrome/obesity. He has been rated in the top 3% of the Indian scientists. He was conferred Fellow of the National Academy of Medical Sciences in 2016. He has also been awarded Prof. U.C. Chaturvedi and Dr. P.N. Chuttani Orations. He has been awarded the Earnest Hanbury Hankin Life Time Achievement Award for 2021 by the Society for Bacteriophage Research and Therapy. He has completed 13 government-funded projects, guided 112 MD and 16 PhD scholars, and organized seven national and international conferences.