Pat LaMarche was born in Providence, Rhode Island, and later moved to Bangor, Maine, where she graduated near the top of her class. She pursued a career in broadcasting, working in various roles in Maine, including at a talk radio station in Portland. LaMarche transitioned into political activism, running for Governor of Maine and later co-chairing the Green Party’s national committee. She has also focused on social issues, particularly homelessness, launching initiatives like the "Left-Out Tour" and the Homeless Remembrance Blanket Project. Additionally, LaMarche has experience in education, teaching Public Relations at Husson College.

Pat LaMarche consistently frames issues through a lens of grassroots activism and community empowerment, as evidenced by her "Left-Out Tour" and the Homeless Remembrance Blanket Project. Her economic policies, such as advocating for a taxpayer-funded campaign system, reflect a desire to democratize political processes. LaMarche's approach to homelessness and social issues is deeply personal and community-focused, revealing a commitment to addressing systemic inequalities from the ground up. Despite lacking a specific environmental stance, her overall strategy suggests a preference for localized, disruption-oriented policies that prioritize human welfare over traditional ideological divides.