| Name | Title | Phone | Email |
| Lafrenz, Kristi | Adjunct Faculty: Marketing | 800-252-1562 Ext. 5024 | klafrenz@sienaheights.edu |
| Laurette, Philip D. | Adjunct Faculty: Graduate College | 517-264-7665 Ext. | plaurett@sienaheights.edu |
| Leibold, Mary Beth | Associate Professor of Sport Management; Division Chair: Business and Management; Chair: Sport Management Program | 517-264-7624 Ext. | mleibold@sienaheights.edu |
| Lemanowicz, Patricia | Administrative Assistant Monroe County Community Program | 734-384-4133 Ext. | plemanow@sienaheights.edu |
| LeMay, Joni D. | Athletic Department Secretary | 517-264-7870 Ext. | jlemay@sienaheights.edu |
| Leonard, Timothy A. | Assistant Professor of Political Science; Division Chair: Social and Behavioral Sciences | 517-264-7851 Ext. | tleonard@sienaheights.edu |
| Lewis, Kenyatta F | Adjunct Faculty: Sociology | 517-483-9726 Ext. | klewis@sienaheights.edu |
| Lewis, S.E. | Adjunct Faculty: English | 517-264-7670 Ext. | slewis@sienaheights.edu |
| Li, Jie | Cataloger/Technical Services Library | 517-264-7151 Ext. | jli@sienaheights.edu |
| Lindberg, William | Part-Time Public Safety Officer | 517-264-7800 Ext. | wlindber@sienaheights.edu |
| Lindstrom, Jeffrey | Associate Professor of Psychology | 517-264-7852 Ext. | jlindstr@sienaheights.edu |
| Loeffler, Gary | Adjunct Faculty: Teacher Education | 517-264-7665 Ext. | gloeffle@sienaheights.edu |
| Lorenz, Michael L. | Associate Professor of Music/Director of the Audio Recording and Jazz Programs | 517-264-7896 Ext. | mlorenz@sienaheights.edu |
| Lowrance, David E. | Adjunct Faculty: Psychology | 517-264-7850 Ext. | dlowranc@sienaheights.edu |
| Lynch, Therese | Adjunct Faculty: Psychology | 800-252-1562 Ext. 5024 | tlynch@sienaheights.edu |