Hillwood is governed by a Board of Trustees, some of whom are members of the Post family.
Members of the Board of Trustees:
- Amy Meadows, President
- Marcia DeWitt, Immediate Past President
- Ellen MacNeille Charles, President Emerita
- Lucy Rhame, Treasurer
- Sophie Hawkins, Assistant Treasurer
- Kathryn Vige Hicks, Secretary
- Nancy Appleby
- Amy Ballard
- Barbara Boggs
- Susan Bollendorf
- Sally Chapoton
- Joshua Hildreth
- Andrew Iverson
- George D. Iverson
- Betsy Scott Kleeblatt
- Jocelyn Linke
- Mark Lowham
- Alison Martin
- Jeannette Petite
- W. Brett Rees
- Nedenia C. Rumbough
- Stanley H. Rumbough
- Beth Newburger Schwartz
- Janice Shrader
- Douglas Weimer
- Gail Berry West
The executive director is responsible for the day to day operations of the estate; a staff of more than 50 employees and 400 active volunteers assists the executive director in all aspects of the operations, including:
- Administration
- Curatorial and Collections
- External Affairs
- Finance and Security Services
- Horticulture
- Human Resources
- Interpretation
- Operations and Technology
The museum is accredited by the American Association of Museums.