![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Office of Research and Development
| Administrator | Start | End |
|---|---|---|
| George Gray | 11/01/05 | present |
| Tim Oppelt (Acting) | 12/01/04 | 10/31/05 |
| J. Paul Gilman | 04/05/02 | 11/30/04 |
| Henry L. Longest II (Acting) | 01/20/01 | 04/04/02 |
| Norine E. Noonan | 10/23/98 | 01/19/01 |
| Henry L. Longest II (Acting) | 06/01/97 | 10/22/98 |
| Robert J. Huggett | 08/30/94 | 05/31/97 |
| Gary J. Foley (Acting) | 01/21/93 | 08/29/94 |
| Erich W. Bretthauer | 02/27/90 | 01/20/93 |
| Erich W. Bretthauer (Acting) | 11/04/88 | 02/26/90 |
| Vaun A. Newill | 10/15/86 | 11/03/88 |
| Donald J. Ehreth (Acting) | 08/04/85 | 10/14/86 |
| Bernard D. Goldstein | 11/21/83 | 08/03/85 |
| Courtney Riordan (Acting) | 12/14/81 | 11/20/83 |
| Andrew P. Jovanovich (Acting) | 06/15/81 | 12/13/81 |
| Richard Dowd (Acting) | 01/26/81 | 06/14/81 |
| Stephen J. Gage | 03/21/78 | 11/30/80 |
| Wilson K. Talley | 12/20/74 | 03/20/78 |
| A. C. Trakowski (Acting) | 05/25/74 | 12/19/74 |
| Stanley M. Greenfield | 02/10/71 | 05/24/74 |
Related: Office Chronology