Harvard College v. Harvard Graduate Students Union — First Circuit upholds arbitration award covering psychology PhD researchers

Case
President and Fellows of Harvard College v. Harvard Graduate Students Union – United Autoworkers, Local 5118
Court
U.S. Court of Appeals for the First Circuit
Judge
Gelpí; Thompson; Dunlap
Date Decided
September 14, 2026
Docket No.
25-1598
Topics
Labor arbitration; Collective bargaining; Graduate workers; Union representation
Source
Read the full opinion

Background

Harvard and its graduate-student union entered a collective bargaining agreement covering, among others, graduate students employed as Research Assistants. The agreement required Harvard to provide appointment letters and weekly bargaining-unit lists. The union alleged that Harvard omitted psychology PhD students who performed lab research under faculty or principal-investigator supervision.

An arbitrator concluded that the psychology students qualified as Research Assistants under the agreement and that Harvard violated the agreement by excluding them. The arbitrator ordered Harvard to designate the affected students as within the bargaining unit, provide lost benefits and payments, and process their claims. The district court confirmed the award on cross-motions for summary judgment.

The Court’s Holding

The First Circuit affirmed. It held that the dispute was substantively arbitrable because it concerned whether the psychology PhD students fit within the definition of an already established bargaining unit under the collective bargaining agreement—not a request to expand the unit, a question generally committed to the National Labor Relations Board.

The court also held that the arbitrator plausibly construed the agreement. Her conclusion rested on the contract language, testimony, and past practices, including the agreement’s recognition that graduate research can blend academic and employment endeavors. Harvard did not show that the award disregarded the agreement’s plain language or violated a defined and dominant public policy.

Key Takeaways

  • An arbitrator may interpret whether workers fall within an existing bargaining-unit definition without first obtaining an NLRB determination of their statutory employee status.
  • Federal review of a labor-arbitration award remains exceptionally narrow where the arbitrator offers a plausible contractual interpretation.
  • Including the psychology PhD researchers in the bargaining unit did not compel union membership because the agreement allowed covered students to opt in or out.

Why It Matters

The decision reinforces the distinction between defining the scope of a bargaining unit and interpreting a collective bargaining agreement to determine who falls within an existing unit. Employers challenging labor-arbitration awards must overcome substantial deference to the arbitrator’s contract-based reasoning.

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