Robert W. Azelby has served as the President and Chief Executive Officer, and a member of the board of directors, of Alder BioPharmaceuticals, Inc. since June 2018. From November 2015 to May 2018, Mr. Azelby served as executive vice president, chief commercial officer of Juno Therapeutics, Inc. From June 2012 to October 2015, Mr. Azelby served as vice president and general manager, oncology at Amgen Inc. From October 2010 to May 2012, he served as Amgen’s vice president, Amgen Oncology Sales. Prior to that, he served in various positions at Amgen, including periods as vice president, commercial effectiveness unit and general manager of Amgen Netherlands. Mr. Azelby previously served on the board of directors of Cascadian Therapeutics, Inc. Mr. Azelby holds a B.A. in Economics and Religious Studies from the University of Virginia and an M.B.A. from Harvard Business School. The Company believes Mr. Azelby possesses specific attributes that qualify him to serve as a member of the Company’s board of directors, including his years of leadership and commercial experience in the oncology industry.