| Name | Title | Phone | Email |
| Oliver, Scott Lawrence | Head Women's Soccer Coach | 517-264-7879 | soliver@sienaheights.edu |
| Orlando, Michael | Director of Residence Life | 517-264-7172 | morlando@sienaheights.edu |
| Ossmann, Peter J. | Assistant Director of Campus Event Management and Public Safety | 517-264-7617 | possmann@sienaheights.edu |
| Outlaw, Khalilah | Assistant Director of the Metropolitan Detroit Program | 800-787-7784 Ext. 232 | koutlaw@sienaheights.edu |