n - Fmr VP, Tumblr. Fmr Deputy CIO of the United States, White House. Fmr Dir of Public Policy, Google. Boards: Public Knowledge, Code for America. Dmitri Mehlhom - COO, StudentsFirst. Lenny Mendonca -- Director, McKinsey. Head of McKinsey's strategy practice. Chm, McKinsey Global Institute. Chm, Bay Area Council. B