Frank Marshall

Mr. Frank J. Marshall serves as Independent Director of Infoblox Inc., since March 2004. He is an early stage technology investor and management consultant. Mr. Marshall has been a general partner at Big Basin Partners since October 2000. Mr. Marshall serves as a director and advisor for several private companies and has been a member of the board of directors of PMC-Sierra, Inc., an Internet infrastructure semiconductor solutions company, since 1996 and its lead independent director from May 2005 until August 2011. From November 2000 until July 2001, Mr. Marshall was the interim chief executive officer of Covad Communications Group, Inc., a broadband communications services company. He served as vice president of engineering and then general manager, core business products unit of Cisco Systems, Inc. from 1992 until October 1997. Mr. Marshall also served as a director of Juniper Networks, Inc. from April 2004 to February 2007 and was chairman of the board of directors of NetScreen Technologies, Inc. from 1997 until its acquisition by Juniper Networks in April 2004. He holds a B.S. degree in electrical engineering from Carnegie Mellon University and an M.S. degree in electrical engineering from the University of California, Irvine.