Ken Cook

President and Founder of the Environmental Working Group (since 1993)

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Why He Matters

This president of the Environmental Working Group (EWG) has been named a top grassroots activist by The Hill and the ultimate green game-changer by The Huffington Post.

It's well-deserved praise for this environmental player, who has been working on these issues for more than 30 years. When he founded the EWG in 1993, he focused on using data to expose unhealthy products and working conditions. Over the next 15 years, the group published reports on BPA in plastic, mercury in tuna, farm subsidies and cellphone radiation. "Its pull-no-punches investigations make news, its data-driven reports make it very hard for policy makers to avoid the evidence," The Huffington Post writes.

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At a Glance

  • Career History: Vice President for Policy, Island Press (1988 to 1993); Campaign Aide, Michael Dukakis' Presidential Campaign (1987 to 1988); Chief Lobbyist, World Wildlife Fund
  • Alma Mater: University of Missouri-Columbia, B.A. (history) and B.S. (agriculture); University of Missouri-Columbia; M.S. (soil science)
  • Spouse: Deb Callahan
  • DC Office: 1436 U St. NW, Suite 100, Washington, DC 20009; (202) 667-6982
  • Web site