Karen Sack

Karen Sack

  • Senior Director
  • International Oceans,
  • The Pew Charitable Trusts


Karen Sack directs Pew’s international marine program which includes projects that focus on ending overfishing in Europe; conserving sharks, tunas, and deep-sea life; establishing large-scale marine reserves; and combating illegal fishing.

Before joining Pew, Sack was director of Greenpeace International’s Political Unit, and before that, head of their International Oceans Campaign. In 2004, Sack was the first person from a nongovernmental organization to speak at a regular session of the United Nations General Assembly, representing the concerns of over 60 organizations from around the world over the plight of our oceans. She has led and participated in NGO delegations to the International Whaling Commission, Antarctic Treaty meetings, U.N. Conventions on Biological Diversity and Climate Change, FAO Committee on Fisheries, U.N. Oceans and the Law of the Sea meetings and the UN Fish Stocks Agreement.

Sack holds a bachelor’s degree from the University of the Witwatersrand in South Africa. She also holds a master’s degree in international environmental law from the University of Cape Town in South Africa and a master’s degree in international political economy from the American University in Washington, D.C.

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Director, Communications