The following have endorsed Jamie Guerin for State Treasurer:

Mel King, a founder of the Green-Rainbow Party
Cindy Sheehan, lead organizer of the Woman's March on the Pentagon
Young Greens of UMass Boston
Jill Stein, 2012 and 2016 Green Party Presidential Nominee
Juan Sanchez, former candidate for Holyoke City Council, Secretary of the Commonwealth candidate
Edward 'Jed' Stamas, Green-Rainbow Party activist and State Auditor candidate
Massachusetts Green-Rainbow Party