| Name | Title | Phone | Email |
| Gallop, Lance D. | Senior Programmer Analyst | 517-264-7119 | lgallop@sienaheights.edu |
| Garcia, Theresa | Administrative Assistant | 517-796-8672 | tgarcia@sienaheights.edu |
| Garrow, Joyce R. | Associate Registrar | 517-264-7121 | jgarrow@sienaheights.edu |
| Goodnough, Doug | Director of Integrated University Marketing | 517-264-7141 | dgoodnou@sienaheights.edu |
| Gordon, Robert W. | Director of the Library | 517-264-7152 | rgordon@sienaheights.edu |
| Graves, Kerry | Associate Professor of Theatre and Speech Communication; Director, Creative Stages Program | 517-264-7893 | kgraves@sienaheights.edu |
| Growden, Melissa A. | Director of Career Services | 517-264-7614 | mgrowden@sienaheights.edu |
| Guzman, Linda G. | Custodian | 517-264-7127 | lguzman2@sienaheights.edu |