Drew S. Phillips

Samson Resources Co. operates as an independent oil and natural gas company. It also engages in the exploration, development and production of oil and natural gas from properties located onshore in the United States. The company was founded on November 23, 1971 and is headquartered in Tulsa, OK.

Charter School Growth Fund offers educational options for under-served students. It provides financing, business planning support, coaching and other resources that portfolio members require to build networks of high-performing schools. The firm invests philanthropic capital in the nation's highest performing charter school operators to dramatically expand their impact on underserved students. The company was founded in 2005 and is headquartered in Broomfield, CO.

Granite Properties, Inc. provides property leasing and management services. It specializes in advisory services, investment, marketing and leasing, property management, and real estate development. The company was founded by Stacy Schusterman and Michael Dardick in 1991 and is headquartered in Plano, TX.

Charles & Lynn Schusterman Family Foundation engages in the provision of philanthropic services. It offers assistance to non-sectarian charitable organizations. The company was founded by Charles Schusterman and Lynn Schusterman in 1987 and is headquartered in Tulsa, OK.