Dr. Kohli received his medical degree from the Armed Forces Medical College, India in 1999 and his MS in clinical investigation from Northwestern University in 2006. While at Northwestern he first spent three years as a pediatric gastroenterology and hepatology fellow and then subsequently as a transplant hepatology trainee before relocating to the University of Cincinnati in 2007. He was faculty at Cincinnati Children's and leading the pediatric liver transplant program before he again relocated to USC/Children's Hospital Los Angeles in 2016.
His research work has focused on the pathogenesis of obesity related fatty liver disease (NAFLD). In particular, he has focused upon the role of bile acid signaling as a mechanism for NAFLD resolution after weight loss surgery. His work has also shed light on reactive oxygen stress in the generation and regulation of the extreme stage of this disease; nonalcoholic steatohepatitis (NASH). He has published many peer-reviewed articles including articles in Nature, Nature Reviews, The Journal of Biological Chemistry, Hepatology, Journal of Pediatrics, and The American Journal of Physiology. He is the author of many book chapters and review articles. He also is the recipient of the 2007 George Ferry Young Investigator Award from the Children's Digestive Health and Nutrition Foundation, a Fellowship award from the American Association for the Study of Liver Diseases, Takeda Research Innovation Award from the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition Foundation. He is currently funded by the NIH as an independent scientist through the R01 mechanism.