Wendell Wierenga, Ph.D

Former Executive Vice President, Research and Development, Santarus, Inc.

Wendell Wierenga, Ph.D. has served as a member of our Board of Directors since March 2014. From June 2011 to February 2014, Dr. Wierenga served as Executive Vice President, Research and Development of Santarus, Inc., a public biopharmaceutical company that was acquired by Salix Pharmaceuticals, Ltd. in January 2014. From 2007 to May 2011, Dr. Wierenga served as Executive Vice President, Research and Development of Ambit Biosciences Corporation, a biopharmaceutical company engaged in the discovery and development of small-molecule kinase inhibitors. Dr. Wierenga received a B.S. from Hope College and a Ph.D. in Chemistry from Stanford University. Dr. Wierenga is a member of the boards of directors of Apricus Biosciences, Inc., and Cytokinetics, Incorporated, which are publicly traded biopharmaceutical companies. During the last five years, Dr. Wierenga also served as a member of the boards of directors of Anacor Pharmaceuticals, Inc., acquired by Pfizer in 2016, Xenoport, Inc., acquired by Arbor Pharmaceuticals in 2016, Ocera Therapeutics, Inc., acquired by Mallinckrodt in 2017, and Onyx Pharmaceuticals, Inc., a public biopharmaceutical company that was acquired by Amgen in 2013. We believe that Dr. Wierenga’s extensive experience in biopharmaceutical research and development and his service on the boards of directors of several public biopharmaceutical companies allow him to be a key contributor to our Board of Directors.