| Mount City Group National Monument |
| George F. Schesventer | to 1971 |
| Ohio Group |
William C. Birdsell
(headquartered at Mound City Group National Monument) |
1971 to 1975 (Ohio group disbanded) |
| William Howard Taft National Historic Site |
| Park Managers and Superintendents |
| John T. (Troy) Lissamore, Park Manager | 1971 to 1973 |
| Jerome L. Licari, Park Manager & later Superintendent | 1974 to 1977 |
| Fahy C. Whitaker, Superintendent | 1977 to 1981 |
| Mary Maxine Boyd, Superintendent | 1981 to 1985 |
| Steven A. Kesselman, Superintendent | 1985 to present |
| Historian |
| Ella Rayburn, Historian | 1985 to present |
| Park Technicians |
| Samuel H. Witherup, Park Technician | 1973 to 1984 |
| Karl Merchant, Park Technician | 1977 to 1982 |
| Virginia Beard, Park Technician | ? to 1982 |
| Larry G. Asher, Park Technician | 1982 to 1984 |
| E. Ray Henderson, Park Technician | 1985 to present |
| Interpretive Specialist |
| RuthAnne Heriot, Interpretive Specialist | 1972 to 1973 |
| Administrative Staff |
| Charlesetta Spurlock, Administrative Clerk | 1973 to 1979 |
| Lynn Kallas, Administrative Technician | 1981 to 1982 |
| Brenda Sumler, Administrative Technician | 1982 to present |
| Christine Burton, Secretary | 1985 to present |