Garrett Mason holds a Bachelor of Arts in Marketing and began his career in sports management, where he gained experience in administration. He entered public service early, being elected to the Maine Senate at a young age, where he sponsored significant educational legislation. Mason transitioned from the legislature to county governance, demonstrating versatility in public roles. He has also founded a public relations firm and engages in real estate development, showcasing a diverse professional background. His family has a notable history in Maine politics, with several relatives having served in the state legislature.

Garrett Mason combines a surprising blend of support for charter schools with a commitment to public education, revealing a nuanced approach to educational policy. His legislative record shows an unexpected convergence with opposing factions on environmental regulations, indicating a highly calculated approach to protecting regional industrial interests. Mason's career trajectory, from sports management to public relations and real estate, suggests an ideologically agile politician who leverages diverse experiences to shape policy.