William M. Coughran Jr.
Partner, Sequoia Capital
Bill has served as a member of the board
of directors since July 2012. He has been a member of Sequoia Capital,
a venture capital firm, since October 2011. He currently serves on the
board of directors of multiple private companies, and he served on the
board of directors of Clearwell Systems, Inc. from March 2005 to June
2011, when it was acquired by Symantec, Inc. Prior to joining Sequoia
Capital, Bill held a number of roles at Google Inc. from April 2003 to
September 2011, including senior vice president of engineering. At
Google, he was responsible for security efforts as well as serving on
the executive committee and as an advisor to the founders and Eric
Schmidt. Prior to Google, Bill co-founded Entrisphere, Inc., a telecom
equipment vendor, and served as its initial chief executive officer
and in other roles from November 1999 to December 2002. From 1980 to
1999, Bill held a number of roles at Bell Labs, Inc. (originally part
of AT&T, Inc. and then Lucent Technologies, Inc.), including vice
president of the Computing Sciences Research Center. Bill has held
adjunct and visiting faculty roles at Stanford University, Duke
University, and ETH Zürich.
Bill has a B.S. and M.S. in mathematics
from California Institute of Technology and an M.S. and Ph.D. in
computer science from Stanford University.