Mariann Byerwalter
Chairman, JDN Corporate Advisory, LLC

Mariann Byerwalter has served as a member of our board of directors since May 2010 and as a member of our audit committee since May 2010. Ms. Byerwalter has been the chairman of JDN Corporate Advisory LLC, a privately-held advisory services firm, since October 2001. Ms. Byerwalter served as Chief Financial Officer and Vice President for Business Affairs of Stanford University from February 1996 through February 2001. Prior to joining Stanford University, she was a partner and co-founder of America First Financial Corporation from 1987 through January 1996. Ms. Byerwalter was also the Chief Operating Officer, Chief Financial Officer and a director of America First Eureka Holdings, the holding company for EurekaBank, a publicly-traded institution.

She was the Chief Financial Officer of Eureka Bank from 1993 to 1996 and was a member of its board of directors from 1988 until the company was sold in 1998. Ms. Byerwalter served as a member of the board of directors of PMI Group, Inc., a provider of residential mortgage insurance, from May 2001 until March 2009. Ms. Byerwalter currently serves on the boards of certain investment companies affiliated with Charles Schwab Corporation, Redwood Trust, Inc., Pacific Life Corporation and Burlington Capital. She serves as a director and as chairman of the board of the Stanford Hospital & Clinics and a director of the Lucile Packard Children’s Hospital. She also serves on the board of trustees of Stanford University. Ms. Byerwalter received an M.B.A. from Harvard University and a B.A. in Economics and Political Science/Public Policy from Stanford University. We believe Ms. Byerwalter possesses specific attributes that qualify her to serve a member of our board of directors and to serve as a member of our audit committee, including her experience as a company executive and her financial and accounting expertise with public companies.