William Banzhaf served as the President of the Sustainable Forestry Initiative (SFI), an independent 501(c) 3 not-for-profit organization dedicated to promoting sustainable forest management. The SFI forest certification standard is the most widely used one in North America with over 200 million acres certified to date. Prior to his work with SFI, he served as the Executive Vice-President for the Society of American Foresters (SAF) from 1988 to 2002. In addition, Banzhaf served as President of George Banzhaf & Company, a consulting firm with a national practice specializing in forest land valuation and present and future projections of sustainable wood supply for the forest products industry, from 1967 to 1988. Banzhaf is a member of and holds positions on the boards of numerous professional organizations including the Sustainable Forestry Initiative, Resources For the Future, Roundtable on Sustainable Forests, American Society of Association Executives, Greater Washington Society of Association Executives, Council of Engineering and Scientific Society Executives, Pinchot Institute of Conservation, Seventh American Forest Congress, Natural Resource Council of America, USDA, National Commission on Wildfire, National Council on Private Forests, and the Association of Consulting Foresters. Banzhaf is a Certified Forester, 2002 through Society of American Foresters. He graduated from the University of Michigan in 1967 with a BSF Forestry (one year graduate degree) and from the University of Colorado in 1964 with a BA History/Political Science.