Herriot Tabuteau, MD

Chief Executive Officer

Dr. Tabuteau has served as our founder, Chief Executive Officer, and Chairman of our board of directors since our founding in January 2012. Prior to founding our company, Dr. Tabuteau was a Senior Analyst and Partner at Healthco/S.A.C. Capital (now known as HealthCor) where he was responsible for the biotechnology, genomics, and instrumentation portfolios. Previously, Dr. Tabuteau was the healthcare analyst at Kingdon Capital. Prior to that position, Dr. Tabuteau was a Senior Research Analyst at Banc of America Securities covering the hospital supplies sector. Prior to Banc of America, Dr. Tabuteau was part of the healthcare investment banking group at Goldman Sachs. Dr. Tabuteau earned his M.D. from Yale University School of Medicine and his Bachelor of Arts in molecular biology and biochemistry from Wesleyan University.

Roger Jeffs, PhD


Dr. Jeffs has been a member of our board of directors since December 2014. Dr. Jeffs is the ex-President and ex-Co-Chief Executive Officer of United Therapeutics Corporation, a leading biotechnology company. Dr. Jeffs oversaw the company’s global clinical, commercial, manufacturing, regulatory, pharmacovigilance, and business development efforts. He joined United Therapeutics as Director of Research, Development and Medical in 1998. Prior to joining United Therapeutics, Dr. Jeffs served as the worldwide clinical leader of the Infectious Disease Program at Amgen, Inc. Prior to Amgen, he was a member of the Flolan clinical research team at Burroughs Wellcome & Company. Dr. Jeffs holds a Ph.D. from the University of North Carolina and received his undergraduate degree from Duke University.

Mark Coleman, MD


Dr. Coleman has been a member of our board of directors since December 2014. In addition, from 2012 to 2014, Dr. Coleman served as a consultant to us. Dr. Coleman has served as the Medical Director of the Baltimore branch of National Spine and Pain Centers, or NSPC, the nation’s largest interventional pain management group, from 2005. Dr. Coleman served as Director of Novel Therapies at NSPC from 2009 to 2011. NSPC routinely evaluates emerging treatments for pain through the conduct of clinical trials. Dr. Coleman is a Diplomat of the American Board of Anesthesiology in Anesthesiology and Pain Management. Dr. Coleman holds an M.D. from Johns Hopkins University School of Medicine and received his undergraduate degree from Wesleyan University.

Mark Saad


Mr. Saad has been a member of our board of directors since December 2014. Since August 2014, Mr. Saad has served as the Chief Financial Officer of Bird Rock Bio, Inc., a global therapeutic innovator which is advancing a pipeline of first-in-class monoclonal antibodies to validated G protein-coupled receptors (GPCRs). He previously served as Chief Financial Officer of Cytori Therapeutics from 2004 to 2014, where he was responsible for finance and accounting, business development, and other operating functions. Prior to Cytori, he served as Executive Director of UBS Investment Bank, where he was the Chief Operating Officer of the Global Healthcare Group. Prior to UBS, Mr. Saad was part of the Health Care Investment Banking Group at Salomon Smith Barney. Mr. Saad holds a Bachelor of Arts from Villanova University.