| Staff | Title | Departments | Phone | Email |
|---|
| Mahon, Diane M. | Select Board, Vice Chair, 2026 | | (781) 646-9038 | DMahon@town.arlington.ma.us |
| Mahon, Diane M. | Budget Revenue Task Group, Select Board | Boards & Commissions, Town Manager | | |
| Mahon, Diane M. | School Enrollment Task Force, Select Board | Town Manager | | DMahon@town.arlington.ma.us |
| Mahon, Diane | Long Range Planning Committee | Boards & Commissions | | |
| Mahon, Diane | CDBG Subcommittee, Select Board | | | |
| Maher, John | Cable Advisory Committee, Chair | | | |
| Maher, John | Building Committee (PTBC), 6/2025 | | | |
| Magee, Alex | Capital Planning Committee, Deputy Town Manager/Finance Director | | | |
| Magee, Alex | Audit Advisory Committee, Deputy Town Manager | Town Manager | | |
| MacDonald (R), Ralph E. | Board of Registrars, 2026 | Town Manager | | |
