David Gerry was a co-chair of the Green Rainbow Party of Massachusetts from 2015 to 2017 and is a founding member of the Greater Boston Chapter. He has been a member of the Green Party of the U.S. Lavender Caucus since 2012 and is a member of the national party’s Diversity and International Committees, and serves as co-chair of the Bylaws, Rules Policies and Procedures Committee.