Robert J. Oster
Chairman of the Board

A private venture investor since 1987, Mr. Oster has worked with both institutional and other private investors in all phases of venture investing. Prior to venture investing, he worked as a professional economist and in several high-level finance positions, the last being Vice President of Finance and Administration for Oracle Corporation, where he spearheaded Oracle's initial public offering. In addition to chairing the SPS Board, Mr. Oster is Vice-Chairman of the Board and Chairman of the Nominating Committee of the Board of Overseers of the Hoover Institution of Stanford University. He received his BA in economics with honors from Occidental College and an MA and PhD in economics from the University of California at Berkeley.

Steven Humphreys

Mr. Humphreys has served as CEO or President of four high technology companies, some of which he grew from early-stage. Most recently he served as CEO of Kleer Semiconductor Corporation, growing its revenues more than 10 times in 18 months. He began his career at General Electric Company where he worked in a variety of manufacturing and information technology positions. In addition to serving on the board of Summit Public Schools, he is a trustee of the Portola Valley School District, Chairman of the Board of Organ-I AB and Organ-I, Inc., and a member of the Board of Directors of Identive Group, a publicly traded information security company. Mr. Humphreys received a BS from Yale University and an MS and MBA from Stanford University.

Stacey Keare

Ms. Keare is an attorney and policy analyst, having most recently worked at Hancock, Rothert and Bunshoft in employment law and insurance defense litigation. She currently serves on the Board of the Legal Aid Society of San Mateo County and is the Chair of the Strategic Planning Committee. She is also on the Silicon Valley Advisory Council of the Global Fund for Children. She serves as President of a family foundation—created with her husband—that focuses on health, education, and human rights issues. Before joining the SPS Board, she was a member of the Board of Directors of Summit Preparatory Charter High School for four years. Ms. Keare received a BA in International Relations from Stanford University, a law degree from Hastings College of the Law, and an MPP from the Kennedy School of Government at Harvard University.

Robert G. O'Donnell

Mr. O'Donnell recently retired from Capital Research and Management Company where he was a Senior Vice President and Director. He served as an equity portfolio manager for this large mutual fund advisory firm. Mr. O'Donnell also serves as a Director of the Sequoia Hospital Foundation and is a member of the Gift Planning Committee of the San Francisco Symphony. Mr. O'Donnell is on the faculty of the Haas School of Business at Berkeley where he is a visiting lecturer. He is a recipient of the Chancellor's Award for outstanding service to UC Berkeley. Mr. O'Donnell received his bachelor's degree summa cum laude from the University of California, Berkeley where he also earned an MBA.

Diane Tavenner

Tavenner is Founder & Chief Executive Officer of Summit Public Schools. (See CMO Leadership.)

Blake Warner

Mr. Warner is a Founder and Managing Partner of Silicon Valley Partners LLC, a firm that provides strategic merger and acquisition advisory services focused on the growth sectors of the digital economy. Prior to this, he spent ten years at Thomas Weisel Partners LLC, where he provided investment banking services for the software, media, and communications sectors. In addition to serving on the SPS Board, he is currently the Chairman of the Governance Council of Everest Public High School, providing oversight as well as helping set strategic goals and operational objectives. Mr. Warner received his BA from the University of California, Santa Barbara, and his MBA from the University of Southern California.

Meg Whitman

Ms. Whitman is one of the most highly regarded businesswomen in the United States; she has also been involved in state and national politics, most recently having run for the office of Governor of California. From 1998-2008, she served as CEO of eBay, growing the iconic Silicon Valley company from $4 million to $8 billion in revenues. Before eBay, she worked as a high level executive at several other well-known companies including Stride Rite, Hasbro, and the Walt Disney Company. She was inducted into the U.S. Business Hall of Fame in 2008 and more than once was named one of the "Top Five Most Powerful Women in Business" by Fortune Magazine. Ms. Whitman is currently the President and CEO of Hewlett-Packard, and a member of the Boards of Directors of Procter & Gamble, Teach for America, SIEPR and Zipcar. She received her BA from Princeton University and her MBA from Harvard Business School.