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Gillian is a three-time Executive Director, campaigner, serial social entrepreneur, attorney, author and filmmaker. She is experienced in advancing social justice and environmental campaigns in the United States and around the world and has managed all aspects of organisational growth.

In 2010, Gillian completed three years as Campaign Director for the United States 1Sky campaign (now merged with 350.org), which, under her leadership, grew within two years to become the largest collaborative climate and energy campaign in the US. Prior to this, Gillian served as the Executive Director of WITNESS, which uses the power of video to open the eyes of the world to human rights abuses. Before this, Gillian directed a global undercover investigation and campaign on the Russian mafia’s involvement in trafficking women for forced prostitution, and produced and directed an influential documentary film which was televised internationally and helped spur policy changes worldwide.

Gillian is also co-editor and author of a book titled ‘Video for Change: A Guide to Advocacy and Activism’. She received her BA from Harvard University and a J.D. from Georgetown University, where she was recognised as a Public Interest Law Scholar. She is a recipient of numerous awards and honors including being named a Director’s Fellow by MIT’s Media Lab, an echoing green fellowship, the Skoll Award, the Schwab Foundation Award and an Ashoka Award. She was also honored with a Next Generation Leadership Award by the Rockefeller Foundation.