Marc Tremblay is a member of the Republican Party and currently serves in the New Hampshire House of Representatives, representing Coos 5. He assumed office on December 3, 2025, and his current term will conclude on December 2, 2026. Tremblay secured his seat in a special election held on November 4, 2025, following the departure of Brian Valerino, and his victory marked a return to legislative service after previously representing the Coos 4 district from 2010 to 2012.

Born and raised in Berlin, New Hampshire, Tremblay pursued his education at New Hampshire Community Technical College in Berlin, where he earned an associate degree in land management. His academic background reflects his interest in environmental stewardship and community development, areas that have shaped his approach to public service. Tremblay’s professional and personal ties to northern New Hampshire have provided him with a strong understanding of the challenges and opportunities facing rural communities, particularly in relation to land use, economic growth, and local governance.

During his earlier tenure in the legislature, Tremblay gained valuable experience in state policymaking and built relationships that have supported his return to office. His re-election in 2025 demonstrated the confidence of his constituents in his ability to represent their interests effectively. Tremblay has been recognized for his dedication to addressing local concerns, including infrastructure, education, and economic sustainability, while maintaining a focus on the unique needs of the Coos region.

Tremblay’s political career illustrates persistence and commitment to public service. After a gap in legislative involvement, his return to the New Hampshire House underscores his continued engagement with civic life and his determination to contribute to the state’s policymaking process. His current role provides him with the opportunity to influence legislation that impacts his district directly, and his term through 2026 will allow him to further advocate for the priorities of his community. Tremblay’s trajectory highlights the importance of local representation in shaping state policy and reflects his ongoing dedication to serving the people of New Hampshire.