Paul Brest

Climate Policy Initiative, Inc. engages in improving the important energy and land use policies and business practices around the world. It offers advisory and convening, analysis and assessments and design and implementation of new solutions. The company was founded by Thomas C. Heller in September 2009 and is headquartered in San Francisco, CA.

ImpactMatters guides donors to impact nonprofits by producing ratings. The company was founded by Elijah Goldberg and Dean Karlan in 2015 and is headquartered in New York, NY.

The William & Flora Hewlett Foundation (dba Hewlett Foundation) is a nonpartisan, private charitable foundation headquartered in Menlo Park, California. The foundation was founded in 1966 by engineer and entrepreneur William R. Hewlett and his wife, Flora Lamson Hewlett, with their eldest son, Walter Hewlett. Hewlett Foundation provides grants to a broad range of institutions across the globe to help people build better lives.

The Bridgespan Group provides management strategies and tools. Its services include consulting to nonprofits and philanthropists, leadership development support, and developing and sharing insights. The company was founded by Thomas J. Tierney and Jeffrey L. Bradach and is headquartered in Boston, MA.