Alex Matthiessen is the President of Riverkeeper, a New York State-based clean water advocacy organization widely considered to be among the most successful non-profits of its kind. Prior to his tenure at Riverkeeper, Mr. Matthiessen was a Special Assistant at the U.S. Department of the Interior, where he developed the Green Energy Parks initiative. He has also served as a macroeconomic policy analyst in Indonesia for the Harvard Institute for International Development and worked at the White House Council on Environmental Quality. He serves on the Board of Directors of the Hudson River Improvement Fund, Catskill Mountainkeeper, and Waterkeeper Alliance.