Dr. Dharam P. Chauhan received his Ph.D. from the Post graduate Institute of Medical Education and Research (PGIMER) Chandigarh in the field of Experimental Medicine / Gastroenterology (1980-1987). He received Fogarty International Post doctoral fellowship in 1987 for Postdoctoral Training in the field of Perinatal carcinogenesis at the NCI-NIH Fredrick, Maryland. He joined junior faculty in the Department of Internal Medicine, Division of Gastroenterology at the University of Michigan (1990-1995). In 1995, he moved to the University of California, San Diego (UCSD), and became Professor and Director of Hepatology research in 2004 at the UCSD. He was also Director of Basic Science program in Division of Gastroenterology (1999-2003) at the UCSD. He is the President and CEO of International medical Education and Research (IMER), San Diego, California since 2002. He was Director of PET-CT Mobile Center Stony brook, New York (2005-2007). He is also president and Chief Scientific Officer at Drug and Alcohol Testing Management, San Diego, California since 2003. He was Chief of Clinical Sciences at Atrius Biosciences (2006-2007) at Boulder, Colorado. He was president of Clinical Laboratory (CLIA and CAP Certified) San Diego, California (2011- 2019).