Dr. Shimer has served as a member of the board of directors of Apollo since 2018. Dr. Shimer is currently a private investor and has 30 years of product development experience, including many years with major communications companies. From March 2007 to April 2012 she served as Chief Executive Officer of Welch Allyn, Inc., a manufacturer of frontline medical products and solutions, having served on the board of directors beginning in July 2002. Prior to her role at Welch Allyn, Dr. Shimer was President and Chief Executive Officer of Vocera Communications, Inc., a provider of wireless communications systems, also serving on the board of directors. She also has served as general manager at 3Com Corporation and Motorola and has been a product development leader at Motorola and AT&T Bell Laboratories. Dr. Shimer is a graduate of Rensselaer Polytechnic Institute (B.S. Physics) and Lehigh University (M.S., Ph.D. in Electrical Engineering). She serves on the board of directors of Netgear, Halyard Health, and Windstream as well as three non-profit organizations.