Mr. Charles Giancarlo serves as Chairman & Chief Executive Officer at Pure Storage. Mr. Giancarlo serves as Board Member at Zscaler. He served as Board Member at Attivo Networks. Mr. Charlie Giancarlo served as Board Member at ServiceNow. Mr. Giancarlo previously served as Managing Director, Head of Value Creation and later Senior Advisor at Silver Lake Partners, a private investment firm, from 2007 to 2015, where he focused on investment and business improvement opportunities for Silver Lake's portfolio companies. From 2008 to 2009, Mr. Giancarlo served as Interim President and Chief Executive Officer of Avaya. Prior to that, from 1993 to 2007, Mr. Giancarlo served in senior executive roles at Cisco Systems, including Chief Technology Officer and Chief Development Officer and is credited with introducing many new technologies including Ethernet Switching, WiFi, IP Telephony and Telepresence. Mr. Giancarlo currently serves on the boards of directors of Zscaler, Inc. Mr. Giancarlo previously served on the boards of directors of Accenture plc, Netflix, ServiceNow, Avaya, Imperva and Tintri. Mr. Giancarlo received a B.S. in Engineering from Brown University, a M.S. in Electrical Engineering from the University of California, Berkeley, and an M.B.A. from Harvard Business School.