Managing Director's Office

The Managing Director's Office (MDO) is the part of the executive branch that runs the city's operating departments on the mayor's behalf. The Home Rule Charter created the Managing Director as the mayor's principal administrator, so that the elected mayor can focus on policy and politics while a professional manager oversees day-to-day delivery. The office coordinates agencies that deliver most of the services residents encounter.^[1]

1 Role and legal basis

Under the Charter the Managing Director supervises the departments and agencies in the managing director's portfolio, coordinates their budgets and performance with the Finance Director and the mayor, and acts as the chief operating executive for the city. The Managing Director is appointed by the mayor and serves at the mayor's pleasure. The position is distinct from the Chief Administrative Officer, who leads internal administrative functions such as technology, fleet and human resources, and from the Finance Director, who oversees the budget and revenue (see Finance Department).

2 Departments supervised

As reported by the Inquirer in 2026, the portfolio includes health agencies, homeless services, the Streets Department, parks and libraries, prisons and the fire department. In practice that covers units such as the Fire Department, Department of Prisons, Streets Department, Parks and Recreation, Free Library, Public Health, Human Services, Homeless Services, Emergency Management and the Office of Violence Prevention. Exact reporting lines change with reorganizations; the official organization chart on phila.gov is the authority. The Police Commissioner, the City Solicitor and some other officers report more directly to the mayor, and the Police Department is covered separately.

3 Leadership

Adam Thiel, previously Fire Commissioner and head of the Office of Emergency Management, became Managing Director when Mayor Cherelle Parker took office in January 2024. On July 28, 2026 the mayor announced that Thiel was leaving for a job in the private sector after about two and a half years and that Carlton Williams would succeed him; the Inquirer described Williams as having risen from leading the Department of Licenses and Inspections to the managing director's post.^[2] The change was part of a broader cabinet shuffle reported by WHYY. Residents should check phila.gov for the current leadership page.

The July 2026 change came as part of a wider shuffle of senior appointees, and the Inquirer reported in August 2026 that Mayor Parker had seen higher turnover among her top appointees than her recent predecessors had. Turnover at the managing director level matters to residents because the office sets priorities across many service departments at once. Because the Managing Director serves at the mayor's pleasure, accountability runs through the mayor, the budget process and public oversight such as Council hearings and the City Controller's audits.

4 Working with residents

Most residents interact with the office indirectly, through Philly311 and individual departments. The MDO also coordinates cross-agency efforts, such as responses to encampments, neighborhood cleanups and major events, and manages city boards and commissions that sit under its portfolio. Complaints about a service are usually best directed to the relevant department or, for follow-up, to the district Council member's office.

See also: Mayor's Cabinet and Offices, Mayor of Philadelphia, How Philadelphia Government Is Organized.

References

1. Philadelphia Home Rule Charter; City of Philadelphia, Managing Director's Office (phila.gov).
2. Philadelphia Inquirer, "Managing Director Adam Thiel resigns" (July 28, 2026); WHYY, "Philadelphia Managing Director Adam Thiel steps down as Parker's administration undergoes staffing shuffle"; 6abc and FOX 29 coverage.
3. Philadelphia Inquirer, "Mayor Parker has seen higher turnover among her top appointees than her recent predecessors" (August 20, 2026); NBC10 Philadelphia and CBS News, "Carlton Williams to replace Adam Thiel as Philadelphia Managing Director" (July 28, 2026).