Benjamin Tappan began his career in law and transitioned between private practice and public service roles throughout his career. He held positions in the Ohio Senate and served as a judge for the Ohio Court of Common Pleas. Tappan also served in the United States Army during the War of 1812 and had a notable legal partnership. His professional experience included various leadership roles in both the private and public sectors, establishing a foundation of diverse expertise.

Benjamin Tappan's political career is marked by a blend of regional advocacy and unexpected policy alliances. His legislative efforts consistently favored the economic development of the Northwest Territory, yet he displayed a willingness to collaborate with opposing factions on environmental regulations, suggesting a calculated approach to regional interests. Tappan's judicial ambitions were thwarted by the Senate, indicating a contentious relationship with federal authority. His controversial breach of confidence regarding a Texas treaty reveals a willingness to challenge established diplomatic protocols.