Charles Giancarlo has served on Arista's board since April 2013 and chairs its Compensation Committee. He is chairman and chief executive officer of Pure Storage, was a managing director at Silver Lake Partners, and earlier held various senior roles at Cisco Systems, including executive vice president and chief development officer. He holds a B.S. from Brown University, an M.S. from UC Berkeley and an M.B.A. from Harvard University and also serves on the board of Zscaler.