William Sampson holds a robust educational background, having attended Clark Atlanta University and New Jersey City University. He spent several years working as a longshoreman for the International Longshoreman’s Association Local 1588, gaining substantial experience in the maritime industry. Sampson transitioned into public service, winning the Democratic primary for the New Jersey General Assembly in June 2021, and subsequently becoming the first African American state legislator from his city. He was re-elected in 2023 and ran for re-election in June 2025.

William Sampson's political identity is deeply rooted in his background as a longshoreman, which significantly influences his legislative priorities. His support for policies benefiting the International Longshoreman’s Association Local 1588 showcases a localized approach to economic issues, yet his broader ideological leanings remain ambiguous. Sampson's rhetorical style likely emphasizes the practical impacts of policy on his constituents, balancing regional industrial interests with broader legislative goals. His re-election victories suggest a calculated strategy in aligning with influential local figures, hinting at a nuanced political calculus. This combination of localized economic advocacy and strategic alliances presents an intriguing dynamic worth exploring further.