| American Urological Association |
1995-present |
| American Society of Gene Therapy |
1999-present |
| American Association for Cancer Research |
1999-present |
| Mid-Atlantic Section of AUA |
2001-present |
| Collaborator, Cell Genesys |
1995-present |
| Consultant, GenVec, Inc. |
1999-present |
| Consultant, Endocare, Inc. |
1999-present |
| Scientific Advisory Board, Direct Gene, Inc. |
2000-2002 |
| Founder and Chief Scientific Advisor, Advagen, Inc. |
2003-present |
| Member, Medical Staff Conference Committee |
1999-present |
| Vice-Chair of the Medical Staff Conference Committee |
2003-2004 |
| Member, Advisory Committee, Cellular Engineering Group |
1999-present |
| Chair, Gene & Immunotherapy Working Group |
2000-present |
| Member, Chromatin Remodeling Working Group |
2002-present |