Fay Twersky is vice president of the William and Flora Hewlett Foundation. She works closely with the foundation?s president, Larry Kramer, and manages special initiatives to improve the foundation?s grantmaking and discrete projects that fall outside our traditional programs. Fay also leads the foundation?s Effective Philanthropy Group. The team, which she shaped and launched in 2012, guides strategy, evaluation and organization learning within the Hewlett Foundation, and also leads grantmaking in support of organizational effectiveness and a strong philanthropic sector. Fay spent 2010 to 2011 working in Jerusalem, advising Yad Hanadiv (The Rothschild Family Foundation) on issues of strategy and organization. She served for four years as director and member of the leadership team of the Bill and Melinda Gates Foundation, designing and developing the impact planning & improvement division. She was also a founding principal of BTW ? Informing Change, a strategic consulting firm.