Unit Chairs
| Lori Hoover | Community and Social Services | cssunitchair@cupe4900.com |
| Loreta Clozza | Corporate, Courts, Finance | loreta.clozza@cupe4900.com |
| Owen Van Dyke | Paramedic Services | psunitchair@cupe4900.com |
| Susan Uy | Public Health | susanmuy@yahoo.com |
| Paul Beal | Public Works | paul.beal@york.ca |
Stewards
| Allison Yashinsky | Community and Social Services |
| Ammar Rizvi | Community and Social Services |
| Daniela Ashton | Community and Social Services |
| Elizabeth Clare | Community and Social Services |
| Francesco Disivo | Community and Social Services |
| Frank Sebial | Community and Social Services |
| Kanwarjit Singh | Community and Social Services |
| Tracy Kidd | Community and Social Services |
| Andrew Schaper | Corporate, Courts, Finance |
| Mauricio Saya | Corporate, Courts, Finance |
| Rakesh Grover | Corporate, Courts, Finance |
| Sadaf Malekzadeh | Corporate, Courts, Finance |
| Teresa Greco | Corporate, Courts, Finance |
| Abraham Poon | Paramedic Services |
| Allen Chan | Paramedic Services |
| Amanda Thoburn | Paramedic Services |
| Bob Baillie | Paramedic Services |
| Catherine Farge | Paramedic Services |
| Dan Rodzynek | Paramedic Services |
| Franceso Ponissi | Paramedic Services |
| Jennifer Avery | Paramedic Services |
| Jeremy Aucoin | Paramedic Services |
| Kayla Moreau | Paramedic Services |
| Lauren Rodzynek | Paramedic Services |
| Matthew Harris | Paramedic Services |
| Mike Davis | Paramedic Services |
| Nick Wanuch | Paramedic Services |
| Richard Siewierski | Paramedic Services |
| Rob Greene | Paramedic Services |
| Sandra Kerr | Paramedic Services |
| Thomas Sakamoto | Paramedic Services |
| Rafael Iraheta | Public Health |
| Tammy Wolf | Public Health |
| Chris Biri | Public Works |
| David Thompson | Public Works |
| Julien Zambrano | Public Works |
| Karen Hussain | Public Works |
| Kent Raymond | Public Works |
| Stephen Losco | Public Works |