Jacob Harold is GuideStar's president and CEO. Harold came to GuideStar from the Hewlett Foundation, where he led grantmaking for the Philanthropy Program. Between 2006 and 2012, he oversaw $30 million in grants that, together, aimed to build a 21st-century infrastructure for smart giving. Jacob was named to the NonProfit Times (NPT) Power and Influence Top 50 list in 2014, 2015, and 2016. He has written extensively on climate change and philanthropic strategy; his essays have been used as course materials at Stanford, Duke, Wharton, Harvard, Oxford, and Tsinghua. Harold earned an AB from Duke and an MBA from Stanford. He grew up in Winston-Salem, NC where his parents ran small, community-based nonprofits.