YPMB 1989-1990
| Director | Thomas C. Duffy |
| Business Manager | Stephanie Theodos (Hubbard) |
| President | Deborah Uman |
| Drum Major | Samuel Evans |
| Manager | Gregory Colodner |
| Assistant Manager | |
| General Managers | James O’Neill, Karen Scanna |
| Social Chairs | Peter Arvantely, Lara Dominguez |
| Personnel Manager | Andrea Troxel |
| Alumni Relations | Sarah Felstiner |
| Publicity Manager | Frederick Clarke |
| Historian | Sarah Lentz |
| Freshperson Representative | |
| Head Scriptwriter | |
| Announcer | |
| Stud. Arranger | |
| Section Leaders | |
| Feature Twirler | |
| Halftime Shows | |
| Halftime Shows - Notable Moments |
|
| Attack-Banding |