Diane Regas

Executive Director

Environmental Defense Fund

Diane is responsible for developing Environmental Defense Fund’s overall strategy, as well as driving and delivering on the organization’s vision. A lifelong environmental advocate, Diane is optimistic and solutions-oriented. She excels at finding effective partners and practical responses to complex environmental problems that encourage prosperity and stewardship both domestically and internationally.

Diane expanded the scope and ambition of EDF’s latest strategic plan, and everything she does at EDF is in service to the plan’s success. From her work redirecting and recalibrating the organization’s approach to global climate change to identifying new ways to open markets to clean energy financing, Diane’s deep expertise and leadership guide all aspects of EDF’s work, in close partnership with President Fred Krupp.

Prior to joining EDF in 2006, Diane spent 20 years developing and supporting scientifically sound bipartisan solutions to environmental challenges at Environmental Protection Agency, where she managed billions of dollars and thousands of employees. “Diane Regas has long been recognized as having star quality,” said William K. Reilly, who was EPA Administrator under President George H.W. Bush. “She is internationally respected for sound judgment, warm and congenial temperament, and can-do energy and resourcefulness.” Carol Browner, President Clinton’s EPA Administrator, said that Diane “has [for decades] proven herself a steadfast defender of our environment and public health.”