Before being elected Comptroller of Baltimore City, Bill Henry served three terms representing North and Northeast Baltimore's 4th District on the City Council.  Previously, Bill spent several years revitalizing neighborhoods in Southeast Baltimore with the Patterson Park Community Development Corporation after being staff in City Hall - first interning in the Mayor's Office during college and then later in the City Council President's office, working his way up from legislative director to chief of staff. Bill served as a congressional aide and later as a legislative aide in Annapolis between "tours of duty" in City Hall, also working in the private sector as a community relations and organizational development consultant.

A proud alumnus of the Greater Baltimore Committee's LEADERship program, Bill has also served on several boards, including the Chesapeake Shakespeare Company and Local Progress, a national organization of progressive municipal officials. A graduate of Loyola University Maryland, where he earned an MBA with a concentration in finance, Bill received his undergraduate degree in social & behavioral sciences, with concentrations in urban studies and public policy, from Johns Hopkins University.

As a City Council member, Bill served for five years on the Baltimore City Commission for Historical & Architectural Preservation and was the Council's first African-American representative to the City's Planning Commission. 

On December 8, 2020, Bill Henry was first sworn in as Comptroller of Baltimore City and was re-elected to a second term in 2024. Under his leadership, the Office of the Comptroller has focused on modernizing systems to increase accessibility and accountability. Comptroller Henry is working to increase government efficiency through reforming Baltimore’s spending panel, auditing for waste, and creating a community-centric approach to the City’s real estate portfolio.

A lifelong City resident, Bill and his wife live in the Radnor-Winston neighborhood, where they look forward to visits from their two daughters.