| Staff | Title | Departments | Phone | Email |
|---|
| Leranth, Cathy | Utility Billing Specialist | Treasurer's Office, Water & Sewer Utility | (414) 766-6600 | Email |
| Library | | Public Library | (414) 766-7900 | |
| Lininger, Jill | Library Director | Public Library | (414) 766-7900 | Email |
| Littel, Caleb | Officer | Police | (414) 762-8200 ext. 8141 | Email |
| Lockwood, Ben | Detective | Police | (414) 766-7627 | Email |
| Loreck, Gregory | Alderperson, District 2 | Mayor & Council | (414) 559-2169 | Email |
| Lynch, Jeff | Inspection Supervisor | Inspection | (414) 766-7002 | Email |
| Mahon, Adam | Officer | Police | (414) 762-8200 ext. 8135 | Email |
| Maier, Nicole | Dispatcher | Police | (414) 762-8200 ext. 8838 | Email |
| Maksimovic, Cindy | Account Clerk III | Public Works | (414) 570-5682 | Email |
| Marshall, Lisa | Alderperson, District 4 | Mayor & Council | (414) 807-3337 | Email |
| Martin, John | Battalion Chief of Operations | Fire | (414) 570-5643 | Email |
| Martinez, Juan | Engineering Technician | Engineering | (414) 766-7031 | Email |
| McQuestion, Anthony | Lieutenant, Detective Bureau | Police | (414) 766-7631 | Email |
| Melcher, Jonathan | Officer | Police | (414) 762-8200 ext. 8147 | Email |
| Melcher, Nikkita | Clerk | Police | (414) 766-7657 | Email |
| Miller, Brent | Assistant IT Director | Information Technology | (414) 766-7000 | Email |
| Miller, Christa | Deputy Clerk | Clerk's Office | (414) 766-7022 | Email |
| Moczynski, Jason | Officer | Police | (414) 762-8200 ext. 8186 | Email |
| Moehle, Bob | Plumbing Inspector | Inspection | (414) 766-7002 | Email |