Obituary: Mark Sullivan

MAINE ENVIRONMENTAL NEWS • December 6, 2025

Mark Sullivan, of Hallowell, died on December 5, 2025. He served from 1997 to 2009 as communications director and senior policy advisor to former U.S. Representative Tom Allen. He had extensive experience in state government from 1982 to 1987, including serving as deputy commissioner of the Maine Department of Conservation from 1985 to 1987,. Sullivan worked with non-profit public interest groups, as editor of Maine Environment for the Natural Resources Council of Maine from 1979 to 1983, and as executive director of the Western Mountains Alliance from 1988 to 1990. In 2010, he joined the Maine Center for Economic Policy as its communications director. He also served as a member of the boards of the Natural Resources Council of Maine, and the Maine Association of Conservation Commissions.