Jeff Jonker


Mr. Jonker has served as a member of our board of directors since March 2021. Mr. Jonker currently serves as a senior advisor for Ambys Medicines, where he was previously the President and Chief Executive Officer and a Director. During his tenure at Ambys Medicines, Mr. Jonker leveraged the company’s $140 million Series A financing and strategic partnership with Takeda to establish a pioneering cell therapy platform, including the build out of a cGMP cell therapy manufacturing facility to enable clinical and commercial supply of human hepatocytes. Prior to Ambys Medicines, Mr. Jonker served as president of NGM Biopharmaceuticals, where he led the advancement of the company’s robust pipeline, including therapeutics for immune-oncology, retinal, liver and metabolic diseases. Mr. Jonker holds a J.D. from Columbia University School of Law, an M.LITT. from the University of St. Andrews and a B.A. from Claremont McKenna College.