Steve Mento

Dr. Mento has served as a director on the board of directors of Conatus Pharmaceuticals since July 2005, Inc. and from July 2005 to December 2012, Dr. Mento served as chairman of Conatus’ board of directors. Dr. Mento was a co-founder of Conatus and served as its President and Chief Executive Officer from July 2005 until its merger with Histogen Inc. (NASDAQ: HSTO) in May 2020. Dr. Mento has over 30 years of combined experience in the biotechnology and pharmaceutical industries. From 1997 to 2005, Dr. Mento was President, Chief Executive Officer and a member of the board of directors of Idun Pharmaceuticals, Inc. Dr. Mento guided Idun during its transition from a discovery focused organization to a drug development company with multiple products in or near human clinical testing. In April 2005, Idun was sold to Pfizer Inc. Previously, Dr. Mento served as President of Chiron Viagene, Inc. (subsequently Chiron Technologies, Center for Gene Therapy) from 1995 to 1997, and Vice President of Chiron Corporation from 1995 to 1997. Dr. Mento was Vice President of research and development at Viagene from 1992 to 1995. Prior to Viagene, Dr. Mento held various positions at American Cyanamid Company from 1982 to 1992, including as Director of Viral Vaccine Research and Development at Lederle-Praxis Biologicals, a business unit of American Cyanamid. Dr. Mento currently serves on the board of directors of Histogen, BIOCOM California and various academic and charitable organizations. He previously served on the boards of Biotechnology Innovation Organization, BIO Emerging Companies Section Governing Board, BIO Health Section Governing Board, and Sangamo Biosciences, Inc. Dr. Mento holds a Ph.D. and M.S., both in Microbiology, from Rutgers University, and a B.A. in Microbiology from Rutgers College. Dr. Mento was selected as a director due to his experience in the biotechnology and pharmaceutical industries, including executive leadership experience at several pharmaceutical companies.