Overview
- The former Maine Senate Republican leader launched his bid in a video, saying the moment calls for precision and institutional knowledge.
- Luke Thompson, a close ally of Vice President JD Vance, will manage the campaign, signaling ties to national GOP networks.
- His campaign plans to mobilize a growing conservative base in northern Maine, with Thompson noting the implications of independent Rick Bennett’s candidacy.
- Mason says his strength is knowing how to work with President Donald Trump rather than imitating him.
- He previously finished second in the 2018 GOP primary to Shawn Moody and now joins nine Republicans in a crowded field for the open seat, with the primary on June 9, 2026.