P.J. is Chairman and co-founder of the Corporate Eco Forum (CEF), a membership organization advancing “next practice” in corporate sustainability comprised of 70 global companies with combined revenues of $4 trillion. He is also author (with Dan Esty) of The Green to Gold Business Playbook. P.J. began his career as a researcher at the White House on global environmental affairs at the National Security Council (1993-1994), then founded and directed the Environmental Change & Security Program (ECSP) at the Woodrow Wilson International Center for Scholars. He subsequently held senior positions at the Carnegie Endowment for International Peace, Rockefeller Brothers Fund, and the Clinton Global Initiative. P.J. received his B.A. in political science (summa cum laude) from Tufts University, M.A. from Johns Hopkins SAIS, was a Fulbright scholar, and holds a Certificate in Conservation Biology from Columbia University. P.J. is a member of the Council on Foreign Relations.