Christopher is Director, International Investor Engagement, leading collaboration efforts with investors worldwide, global investor groups, relevant UN agencies and non-governmental organizations. Previously, Christopher was founding director of the Ceres Investor Network on Climate Risk and Sustainability and a founding staff member of the Global Reporting Initiative (GRI) in 1997.

Before joining Ceres in 1997, Christopher served as a program associate at the Heinz Family Foundation in Washington, D.C. He was also executive director of the Center for Environmental Citizenship, a national non-profit environmental organization that was acquired by the League of Conservation Voters Education Fund in 2006.

Christopher has a B.A. from Yale University and a Master of Divinity degree from Harvard University.