Joseph Martin has a diverse background rooted in the mineral extraction industry, with extensive international experience. He has held executive management roles in several companies and owned local businesses, including a bar and restaurant. Martin has also been involved in community organizations and served as the chair of the Oxford County Committee of the Maine Republican Party. He currently serves on the Legislature’s Environment and Natural Resources Committee and the State and Local Government Committee.

Joseph Martin's political identity is marked by a unique blend of regional economic advocacy and bold, unconventional proposals. His career in the mineral extraction industry informs his economic policies favoring the sector, while his unexpected proposal to incorporate Canadian provinces into the US showcases an audacious and localized vision. Martin's legislative focus on environmental issues contrasts with his support for policies that could undermine federal environmental protections, revealing a complex ideological stance. His rhetoric often juxtaposes traditional conservative values with radical geopolitical ideas, compelling observers to question the underpinnings of his approach.