WILLIAM K. REILLY is a senior advisor to TPG Capital, LP, an international investment partnership. During his tenure with TPG, he was the founding partner of Aqua International Partners (1998–2010), a private equity fund dedicated to investing in companies in the water sector. Reilly served as the first Payne Visiting Professor at Stanford University (1993–1994), administrator of the US Environmental Protection Agency (1989–1993), president of World Wildlife Fund (1985–1989), president of The Conservation Foundation (1973–1989), director of the Rockefeller Task Force on Land Use and Urban Growth (1972–1973), and a senior staff member of the President’s Council on Environmental Quality (1970–1972). He headed the US delegation to the UN Earth Summit in Rio in 1992, and served as one of the seven original trustees who managed the Presidio National Park in San Francisco.
In May 2010, he was appointed by President Obama to cochair the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling, and in late 2012 he was appointed to the President’s Global Development Council. Reilly is chairman emeritus of the Board of World Wildlife Fund, chairman emeritus of the board of the ClimateWorks Foundation, and chairman of the Advisory Board for the Nicholas Institute for Environmental Policy Solutions at Duke University. Previously, he served on the boards of ConocoPhillips, DuPont, and the National Geographic Society; he cochaired the Bipartisan Policy Center’s Energy Project. Currently, he serves as cochair of the Global Water Challenge, on the executive committee of the US Water Partnership, and on the boards of Royal Caribbean International and Energy Future Holdings, for which he serves as chairman of the Sustainable Energy Advisory Board. American University in Washington, DC, created the William K. Reilly Endowment for Environmental Leadership to recognize his contribution to the field. In 2007, Reilly was elected to the American Academy of Arts and Sciences. He served in the US Army to the rank of captain, and holds a BA from Yale, a JD from Harvard, and an MS in urban planning from Columbia University. He lives in San Francisco with his wife, Elizabeth.