# 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.

## Key facts

- Party: Democrat
- Office sought: U.S. Senate
- Current office: Harbormaster and Planning Board Chair, Town of Sullivan, Maine
- State: ME
- Race: Maine U.S. Senate 2026
- Incumbent status: challenger
- Residence: Sullivan, Maine
- Race rating: Toss-Up
- Campaign website: http://grahamforsenate.com

## Background

- Education: Attended Hotchkiss School and John Bapst Memorial High School; attended George Washington University.
- 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.

## Opponents in this race

- [Graham Platner](https://transparencyreport.io/candidates/graham-platner-me-2026.md) — Democratic
- [Susan Collins](https://transparencyreport.io/candidates/susan-collins-me-2026.md) — Republican
- [Susan Collins](https://transparencyreport.io/candidates/susan-collins-maine-r-2026.md) — Republican

## Sources

- Official Campaign Website – Graham Cunningham Platner: http://grahamforsenate.com

Last updated: 2026-07-19T20:28:46.709Z

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Source: Transparency Report — https://transparencyreport.io/candidates/graham-platner-maine-d-2026
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