| Mazzadra, Rick | Housing Code Inspector | Livable City Initiative | (203) 946-8250 |
| Mishra, Prajna | Procurement Specialist | Finance – Purchasing | (203) 946-8204 |
| Martinez, Benjamin | Site Equipment Resource Manager | | (203) 946-8199 |
| Mitra, Soma | Young Minds & Family Learning | Public Library | (203) 946-8132 |
| Mancini, Kristin | Technical Services (Cataloging & Acquisitions) | Public Library | (203) 946-8127 |
| Morrison, Kirk | Branch Manager-Fair Haven | Public Library | (203) 946-8116 |
| Mixsell, Anastasia | Tree System Coordinator | Parks Department | (203) 946-8092 |
| MASON, MYRTIS | EXECUTIVE ADMINISTRATIVE | Transportation, Traffic & Parking | (203) 946-8078 |
| MAITLAND, CARLA | CHIEF SCHOOL CROSSING GUARD | Transportation, Traffic & Parking | (203) 946-8072 |
| Mullo, Henry | Administrative Assistant | Fire Services | (203) 946-8022 |
| Merly, Joseph | Asst. Corp. Counsel | Corporation Counsel | (203) 946-7921 |
| Mallison Jr., Gerald | Management Policy Analyst | Finance Department | (203) 946-7905 |
| McCarthy, Justin | Chief Administrative Officer | Chief Administrator's Office | (203) 946-7902 |
| Munroe, Taylor | Neighborhood Specialist | Livable City Initiative | (203) 946-7888 |
| Mendez, Carmen | Neighborhood Specialist | Livable City Initiative | (203) 946-7733 |
| Moreno, Jeffrey | Project Manager | Housing & Development Administration | (203) 946-7731 |
| Moreno, Jeffrey | Project Manager | Economic Development Administration | (203) 946-7731 |
| Melendez, Maria | Administrative Assistant | Mayor's Office | (203) 946-7680 |
| Matteson, Sean | Chief of Staff | Mayor's Office | (203) 946-7672 |
| Martinez, John | Inspector/Investigator | Fire Services | (203) 946-7656 |
| Murphy, Sonya | Assessment Information Clerk II | Assessor’s Office | (203) 946-7595 |
| Massey, Jarmella | Program Manager - Section 8 | Livable City Initiative | (203) 946-7588 |
| Maza, Misty | Legislative Aide II | Board of Alders Legislative Services | (203) 946-7288 |
| Musumeci, Angelo | Assistant Building and Plans Official | Office of Building Inspection & Enforcement | (203) 946-7119 |
| Montagna, Joseph | Accountant IV | Office of Policy, Management, & Grants - Accounting | (203) 946-6973 |
| Mezzanotte, Lisa | Supervisor of Management Services | Police Services | (203) 946-6959 |
| Marquez Perez, Kengli | Lead Poisoning Inspector | Health Department | (203) 946-6798 |
| Mitchell, Lorena | Coordinator Office of Community Health Initiatives | Community Services Administration | (203) 946-6759 |
| Milone, Lisa | Republican Registrar of Voters | Registrar of Voters | (203) 946-6429 |
| Mignosa, Robert | Management & Policy Analyst | | (203) 946-6342 |
| Maidelis, Meghan | Fire Inspector | Fire Services | (203) 946-6224 |
| Mustakos, Steve | Superintendent of Streets | Public Works Department | (203) 946-6134 |
| Mack, Dean | Deputy Director, Economic Development | Economic Development Administration | (203) 946-5335 |
| Monaco, Sumalee | Administrative Asstistant | Livable City Initiative | (203) 946-4994 |
| McDonald, Kamryn | Grant Writer and Policy Coordinator | Office of Policy, Management, and Grants | (203) 946-4982 |
