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Gillian Caldwell is a serial social entrepreneur, filmmaker and an attorney with over thirty-five years of experience advocating for social justice around the world.

Between the fall of 2010 and the summer of 2015 when she joined Global Witness, she served as President of Gillian Caldwell Consulting, which helped progressive non-profits, corporations, and foundations increase their impact. Her special areas of emphasis were strategic planning, outreach and advocacy campaigns, and executive coaching.

During 2013, she also served as the Producer and Engagement Manager for Citizen Koch, a feature length documentary on the corrosive force of money in politics. In 2010, she completed three years as the Director of 1Sky (now merged with, which she helped build from inception and which grew to become the largest collaborative climate and energy campaigns in the United States, combining the force of over 600 allied organizations, and a team including organizers in 23 states nationwide.

Previously, Gillian served for a decade as Executive Director of WITNESS, which was co-founded by musician Peter Gabriel and harnesses the power of video to highlight and end human rights abuses. Gillian led WITNESS' rapid expansion and helped produce dozens of documentary videos for use in campaigns around the world, including Books Not Bars, on California's spending priorities and approaches to juvenile justice, Operation Fine Girl, a televised documentary on rape as a weapon of war in Sierra Leone, and Outlawed, a co-production with Amnesty, Human Rights Watch and many others on extraordinary rendition, forced disappearances and torture in the US war on terror.

Before her 10 years of leadership at WITNESS, Gillian Directed a global undercover investigation and global campaign on the Russian mafia's involvement in trafficking women for forced prostitution, and produced and directed Bought & Sold, an influential documentary film which was televised internationally and helped spur policy changes worldwide. She is also co-editor and author of Video for Change: A Guide to Advocacy and Activism (2005). She received her magna cum laude BA from Harvard University and a cum laude J.D. from Georgetown University, where she was honored as a Public Interest Law Scholar, and is a recipient of numerous awards and honors, including Ashoka, Skoll and Schwab awards for social entrepreneurship.