Dan leads Ceres’ efforts to secure commitments from 25 large companies to double the amount of value they generate from each unit of energy by 2030.

Dan has a track record of winning significant advances in energy conservation and environmental protection for leading organizations such as the Maryland Energy Administration, the United Nations Foundation/Energy Future Coalition, and the Sierra Club. Among other achievements, Dan brought data-driven energy efficiency services to Maryland's commercial utility customers, wrote the landmark Green Jobs Act of 2007, and championed trade rules aligned with forest, wildlife, and climate protection.

He has led campaigns uniting business, labor, and environmental groups, testified before Congress, and been cited in The New York TimesThe Wall Street Journal, Business Week, and other major news outlets. He has also published studies on energy-analytics and clean-energy economic development.

Dan earned his MA in International Economics and Latin American Studies from John Hopkins School of Advanced International Studies and a BA in American History from the University of Chicago.