CUPE 3903

Proudly representing workers at York University: Teaching Assistants, Contract Faculty, Graduate & Research Assistants, Part-Time Librarians & Archivists, and employees at the Canadian Observatory on Homelessness

Latest News

Disability Caucus Co-Chairs Acclaimed At today’s Disability Caucus meeting, CUPE 3903 members voted to officially acclaim the inaugural Disability Caucus Co-Chairs! Congratulations to Elena Basile...

General Bargaining Updates: Sign-Offs and More This Bargaining Report can begin with some positive news: the parties have signed off on revisions to article 10.07...

CUPE 3903 stewards serve as important bridges between your department and the union! Having a steward in your hiring unit or department means that there’s...

Following a recent resignation, the Executive Committee has appointed Christopher Sorio as pro tem Elections Officer until by-elections can be held. Please click here for...

Having members participate in committees is essential for many parts of CUPE 3903 to function! If you haven’t put your name forward yet for a...

CUPE 3903 Files for Conciliation & Demands Protections for Workers Against AI & Poor Air Quality Conciliation and Bargaining The Union told the Employer on...

The Fall 2026 deadline to apply to the CUPE 3903 PhD Completion Fund has been extended to October 7, 2026. Eligible members are strongly encouraged...

The CUPE 3903 Office (143 Atkinson) will be closed tomorrow, September 30, in recognition of the National Day for Truth & Reconciliation. This is a...

At Thursday’s September General Membership Meeting (GMM), CUPE 3903 members voted to empower the Units 1, 2, & 3 Bargaining Team (BT) to file for...

Upcoming events

October 6 @ 1:00 pm - 4:00 pm

The Executive Committee is holding a meeting. All members are welcome to attend. Only Executive Committee members can vote. This meeting is hybrid, on Zoom and in

October 6 @ 1:00 pm - 4:00 pm

All CUPE 3903 members are encouraged to join the Units 1, 2, & 3 Bargaining Team in this meeting with the Employer. It’s scheduled for

October 7 @ 9:00 am - 11:00 am

A weekly recurring meeting of the Units 1, 2, & 3 Bargaining Team. All CUPE 3903 members can attend. You can join via Zoom at

October 13 @ 10:00 am - 1:00 pm

All CUPE 3903 members are encouraged to join the Units 1, 2, & 3 Bargaining Team in this meeting with the Employer. It’s scheduled for

October 14 @ 9:00 am - 11:00 am

A weekly recurring meeting of the Units 1, 2, & 3 Bargaining Team. All CUPE 3903 members can attend. You can join via Zoom at this link. This meeting

October 14 @ 11:00 am - 1:00 pm

The Units 1, 2, & 3 Bargaining Team and Executive Committee are holding a meeting together. All members are welcome to attend. This meeting will be hybrid,

What we fight for

Get Involved

CUPE 3903 is composed of five units of members who do different kinds of work at York University. While our work may be different, all units share a common goal of improving working conditions at York University, and we support each other in achieving this goal.

A member wearing a CUPE 3903 shirt, showing off their hot pink nails, which matches their CNE admittance bracelet.
A member holding a hand decorated sign that reads “Sol Sol Sol Solidarité” with rainbow letters.
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