Daniel J. Warmenhoven, now retired, has served as the Lead Independent Director of our board of directors since March 2012. From October 1994 to August 2009, Mr. Warmenhoven was Chief Executive Officer at NetApp, Inc., a provider of hybrid cloud data services and data management, and on their board of directors as Executive Chairman from August 2009 through September 2014. Mr. Warmenhoven previously served on the board of directors of Aruba Networks, a vendor of data networking solutions. Mr. Warmenhoven holds a B.S. degree in Electrical Engineering from Princeton University.