Dr. Jean-Pierre Sommadossi is a Chairman at Kezar Life Sciences, Inc., a Chairman, President & Chief Executive Officer at Atea Pharmaceuticals, Inc., a Member-Discovery Council at Harvard Medical School and an Independent Director at ABG Acquisition Corp. I. He is on the Board of Directors at Rafael Pharmaceuticals, Inc., The BioExec Institute, Inc. and ABG Acquisition Corp. I. Dr. Sommadossi was previously employed as a Chairman, President & Chief Executive Officer by Idenix Pharmaceuticals LLC, a Co-Founder by Pharmasset, Inc., a Professor by The University of Alabama at Birmingham, a Fogarty Fellow by Medical College of Virginia, a Fogarty Fellow by National Cancer Institute, and an Advisor by Puretech Health LLC. He also served on the board at Alzheon, Inc. and Kinex Pharmaceuticals, Inc. He received his doctorate degree from the University of Marseille.