Seth Miller grew up in Gainesville, Florida, and pursued higher education in the north. He spent nearly two decades in New York City, gaining experience in small businesses and securing long-term contract roles within large corporations. Miller founded a small business, which he currently manages. In 2018, he relocated to Dover, NH with his wife, bringing his extensive professional background to the local community.

Seth Miller's political identity is marked by a distinctive blend of grassroots advocacy and corporate pragmatism. He champions small business support while simultaneously endorsing long-term contract roles within large corporations, suggesting a nuanced understanding of economic ecosystems. His emphasis on community integration and representing Dover, NH, reveals a localized approach to governance, yet his professional trajectory from New York City to Dover hints at a broader, perhaps more fluid ideological stance. Miller's interests in IT, aviation journalism, and woodworking further illustrate an eclectic and intellectually diverse background, raising questions about how these varied experiences shape his policy perspectives.