AC Immune SA announced that at the extraordinary general meeting held on April 27, 2018, approved the election of Dr. Douglas Williams to the Board of Directors and Compensation, Nomination and Corporate Governance Committee. Douglas E. Williams, Ph.D., is currently the President, CEO and member of the Board of Directors of Codiak BioSciences. He was previously Biogen's Executive Vice President, Research and Development, serving in this role from January 2011 to July 2015. He joined Biogen from ZymoGenetics, where he was most recently CEO and member of the Board of Directors. He has served on the board of numerous biotechnology companies and is currently a member of the Board of Directors of Ironwood Pharmaceuticals, Ovid Pharmaceuticals, and AC Immune.