Phil Ferguson spent six years in Congress, where he focused on flood control, census, and agriculture. He later transitioned to the public sector, serving on the Federal Reserve Board in Oklahoma City and as Director of the Farm Credit Administration in Wichita, Kansas. During World War II, he served as a commissioned major in the United States Marine Corps in the Pacific Theater, earning the Silver Star Medal. Ferguson's career highlights his expertise in federal programs for soil conservation and water resources.

Phil Ferguson's political identity is marked by a blend of regional advocacy and federal intervention, particularly in soil conservation and water resource development. His legislative initiatives in Congress focused on federal programs for reservoir construction and native grass planting, revealing a strategic emphasis on protecting local agricultural interests through national policy. Despite his Democratic beginnings, Ferguson's later political affiliations with the Republican party and his military accolades suggest an ideologically agile approach. His career trajectory, from Congress to the Federal Reserve Board and Farm Credit Administration, indicates a consistent focus on economic stability and resource management, albeit through varying political lenses.