120.10 - Principal Officials
02/02/98
OPR: Director's Office
1. Headquarters (Reston, Virginia)
| Director | Vacant |
| Deputy Director | Thomas J. Casadevall |
| Associate Director for Programs | Bonnie A. McGregor |
| Associate Director for Operations | Barbara J. Ryan |
| Senior Advisor for Science Applications | James F. Devine |
| Chief Geologist | P. Patrick Leahy |
| Chief Hydrologist | Robert M. Hirsch |
| Chief Geographer | Richard E. Witmer |
| Chief Biologist | Dennis B. Fenn |
| Acting Chief, Office of Program Support | William F. Gossman, Jr. |
| Chief, Office of Program Planning and Coordination | Gary W. Hill |
| Chief, Office of Program Operations | Martin Eckes |
| Chief, Office of Outreach | Michael McDermott |
| Congressional Liaison Officer | Timothy J. West |
2. Regional Offices
| Regional Director for Eastern Region | Katherine F. Lins |
| Regional Director for Central Region | Douglas R. Posson |
| Regional Director for Western Region | Vacant |