Jacob Harold - Program Officer, Philanthropy Program, The William and Flora Hewlett Foundation

About you

Jacob Harold leads grantmaking for the Philanthropy Program at the William and Flora Hewlett Foundation where he has overseen $25 million in grants which, together, aim to build a 21st century infrastructure for smart giving. Harold has worked as a strategy consultant for the Bridgespan Group and the David and Lucile Packard Foundation, and as a climate change campaigner for Rainforest Action Network, Greenpeace USA, and Green Corps. He is a member of the Board of Directors of Guidestar USA. He earned an AB summa cum laude from Duke University and an MBA from the Stanford Graduate School of Business.

Where are you based?

Menlo Park, California

Where do you work?

United States

What policy areas do you usually work in?


Is there anything you would like to share, discuss, or work with other SIAA members on?

Building an ecosystem of information about nonprofit performance.