Mr. Zumwalt has served on our board of directors since February 2020. Mr. Zumwalt served as treasurer at Amazon.com, Inc. from 2014 until August 2019, where he led global cash and portfolio management, debt financing, foreign exchange, insurance and treasury-related technology infrastructure. Prior to joining Amazon.com as assistant treasurer in 2004, he served in various financial and treasury roles at PACCAR, ProBusiness Services, Wind River Systems and Intel Corporation. He also serves on the board of directors of Ranpak Holdings Corp., as well as the United States Tennis Association and of the USTA Foundation. Mr. Zumwalt received a B.A. in economics and political science from the University of Pennsylvania and an M.B.A. in finance and accounting from the University of Washington.