Graham Platner
Graham Cunningham Platner is a Marine Corps veteran, oyster farmer, and local official from Sullivan, Maine. He serves as Sullivan's harbormaster and chair of the town's planning board. He is the Democratic nominee for U.S. Senate in Maine in 2026, challenging incumbent Senator Susan Collins.
- Party: Democrat
- Office sought: U.S. Senate
- State: ME
- Current office: Harbormaster and Planning Board Chair, Town of Sullivan, Maine
Incumbency status: challenger
Education: Attended Hotchkiss School and John Bapst Memorial High School; attended George Washington University.
Residence: Sullivan, Maine
Professional background
Oyster farmer (Waukeag Neck Oyster Co.); State Department security contractor (Constellis); bartender.
Public service
Harbormaster, Town of Sullivan, Maine; Chair, Sullivan Planning Board.
Military service
U.S. Marine Corps, Sergeant, 2003–2007; Maryland Army National Guard, 2010–2011.