William S. Robertson is a founding member of the board of directors of the Robertson Foundation for Government. He served as the first chair of the board and as RFG president until 2012.

He is currently a member of the RFG Advisory Board and serves as co-chair of the Investment Committee. Mr. Robertson also serves as a trustee of Plant One Million Corals. In the past he served on the board of trustees of Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, and as a trustee of the Robertson Research Fund at Cold Spring Harbor Laboratory. Before turning his full-time attention to his family and personal philanthropic endeavors, Mr. Robertson served on numerous boards of emerging companies in the food, technology, and energy industries.

For 15 years, Mr. Robertson owned and operated Loriva Supreme Foods, a specialty foods manufacturer. He graduated with a BA from Princeton University.