Dr. Michael J. Sofia, also known as Mike, Ph.D. has been the Chief Scientific Officer of Arbutus Biopharma Corporation since 2015. Dr. Sofia co-founded Arbutus Biopharma Inc. in 2012 and serves as its Chief Scientific Officer and Head of R&D since July 2014. He served as President of OnCore Biopharma. He served as Vice President of Chemistry at Gilead Pharmasset LLC (Pharmasset, Inc) from August 2005 to January 2012. He served as Senior Vice President of Chemistry, Princeton Site Head and Senior Advisor at Gilead Sciences from January 2012 to December 2012. He joined Pharmasset in 2005 and had responsibility for research strategy, medicinal chemistry, process research, computational chemistry and analytical chemistry functions and was a clinical development project leader. Prior to Pharmasset, he was Group Director, New Leads Chemistry at Bristol-Myers Squibb from 1999 to 2005, Vice President of Research at Intercardia Research Labs (formerly Transcell Technologies) and was Research Investigator and Project Leader at Lilly Research Labs, Eli Lilly & Co. From 1993 to 1999, Dr. Sofia established and directed the research programs at Transcell Technologies, first as Director of Chemistry and then as Vice-President of Research. He has over 18 years of drug discovery and 11 years of research management experience at Bristol-Myers Squibb, Transcell Technologies and Eli Lilly. At Bristol-Myers Squibb, he lead high throughput chemistry capabilities that supported drug discovery efforts across six therapeutic areas, including virology, cardiovascular, metabolic diseases, oncology, inflammatory diseases and neuroscience. From 1993-1999, Dr. Sofia established and directed the chemical research programs at Transcell Technologies, which focused on the discovery of novel antibacterial agents. At Eli Lilly, he developed anti-inflammatory agents for the treatment of asthma, inflammatory bowel disease and psoriasis. Since March 2013, he has been an adjunct professor at the Drexel University School of Medicine. He served as a member of its board of directors of OnCore Biopharma from May 2012 to August 2014. He has authored 100 publications, 9 book chapters and numerous abstracts and is an inventor on over 30 patents. He also holds a professorship position at the Baruch S. Blumberg Institute and is on the editorial board of several scientific journals. He is the recipient of the PA BIO 2014 Scientific Achievement Award for the discovery of Sofosbuvir. He did his postdoctoral training in synthetic organic chemistry, as an NIH fellow, at Columbia University. Dr. Sofia earned his Ph.D. in Organic Chemistry from the University of Illinois at Urbana-Champaign and his B.A. in Chemistry from Cornell University.