| All phone numbers are area code (510), prefix either 642 or 643, unless otherwise noted. | ||||
| Last name, First name | Office Phone | Department | Status | |
| Uejio, Janel | 2-1047 | Chemistry | Graduate Student | |
| Umezawa, Naoto | 2-2154 | Chemistry | Visiting Scholar | |
| Underbakke, Eric | 6-2963 | Chemistry | Post-Doc | |
| Unruh, David | 3-3117 | Chemistry | Graduate Student | |
| Upadhye, Ravindra | 38544 | Chem. Engineering | Lecturer | |
| Urban, Jiri | 643-3117 | Chemistry | Post-Doc | |
| Uzun, Alper | 2-6892 | Chemistry | Post-Doc |