| Name | Title | Phone | Email |
| Danielson, Deborah | Professor of Art | 517-264-7862 Ext. | ddaniels@sienaheights.edu |
| Daugherty, Margaret | Financial Accountant | 517-264-7118 Ext. | mdaugher@sienaheights.edu |
| Davenport, Roland | Adjunct Faculty: Business Administration | 734-384-4133 Ext. | rdavenpo@sienaheights.edu |
| Deatrick, Linda C., M.A. | Adjunct Faculty: Music | 517-264-7890 Ext. | ldeatric@sienaheights.edu |
| Deighton, Richard | Adjunct Faculty: Health Care Management | 248-799-5490 Ext. | rdeighto@sienaheights.edu |
| DeLand, Christina | Adjunct Faculty: Psychology | 517-483-9726 Ext. | cdeland@sienaheights.edu |
| Derr, Larry | Custodian | Ext. | lderr@sienaheights.edu |
| DiPietro, Camila | Adjunct Faculty: Theatre/Speech Communications | 517-264-7890 Ext. | cdipietr@sienaheights.edu |
| DiPietro, Mark | Professor of Theatre & Speech Communications; Division Chair: Visual & Performing Arts and Education | 517-264-7895 Ext. | mdipietr@sienaheights.edu |
| Doonan, Jeanne | Adjunct Faculty: Management | 800-203-1560 Ext. | jdoonan@sienaheights.edu |
| Doremus, Brenda K. | Registrar | 517-264-7123 Ext. | bdoremus@sienaheights.edu |
| Duff Anderson, Rachel N. | Director of FYE and Student Activities | 517-264-7929 Ext. | rduff@sienaheights.edu |
| Dunne, Thomas Aquinas | Professor of Philosophy | 248-799-5490 Ext. | tdunne@sienaheights.edu |