| Name | Title | Phone | Email |
| Campbell, Linda M. | Associate Processor of Accounting | 517-264-7859 Ext. | lcampbel@sienaheights.edu |
| Cark, Steven | Part-Time Custodian | 517-264-7127 Ext. | scark@sienaheights.edu |
| Carreon, Brandon C | Coordinator of Student Support Services Program | 517-264-7630 Ext. | bcarreon@sienaheights.edu |
| Carter, Deborah | Dean: College for Professional Studies | 517-264-7189 Ext. | dcarter2@sienaheights.edu |
| Cervenka, Barbara,,OP | Associate Professor of Art | 517-264-7861 Ext. | bcervenk@sienaheights.edu |
| Chapman, Timothy H. | Adjunct Faculty: English | 800-203-1560 Ext. | tchapma1@sienaheights.edu |
| Chrenko, Sara L. | Admissions Representative | 517-264-7179 Ext. | schrenko@sienaheights.edu |
| Church, Jennifer Hamlin | Associate VP for Advancement & Director of Alumni Relations | 517-264-7143 Ext. | jhchurch@sienaheights.edu |
| Clancy, Marcella,,CSJ | Adjunct Faculty: Religious Studies | 248-799-5490 Ext. | mclancy@sienaheights.edu |
| Cole, Krystine | Administrative Assistant | 800-787-7784 Ext. | kcole2@sienaheights.edu |
| Collins, Shelley | Academic Instructor | Ext. | scollin1@sienaheights.edu |
| Conlon, Robert B | Assistant Professor of Art | 517-264-7864 Ext. | rconlon@sienaheights.edu |