David Krall

Mr. Krall has been a director since February 2018. Mr. Krall has served as a strategic advisor to Roku, Inc., a leading manufacturer of media players for streaming entertainment, since December 2010, and to Universal Audio, Inc., a manufacturer of audio hardware and software plug-ins, since August 2011. Previously, he served as president and chief operating officer of Roku, president and chief executive officer of QSecure, Inc. and president and chief executive officer of Avid Technology, Inc. Earlier in his career, Mr. Krall worked in engineering and project management at several companies. Mr. Krall currently serves on the board of directors of Progress Software Corporation, where he is the chair of the compensation committee, and of Audinate Pty Ltd., where he is the board chair. Mr. Krall previously served on the board of Quantum Corporation from August 2011 to March 2017. Mr. Krall holds a B.S. and M.S. in Electrical Engineering from the Massachusetts Institute of Technology and an M.B.A., with distinction, from Harvard Business School.