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Sean Ouellette is a Senior Litigation Counsel at Sanford Heisler Sharp.

At Sanford Heisler Sharp, Sean’s practice has focused on representing individuals in cases of sexual harassment, race discrimination, and gender discrimination. He also represents employees in class actions challenging the mismanagement of investments in their retirement plans. Working with a team of Sanford Heisler Sharp attorneys, Sean has represented clients including:

  • A female executive in the tech industry with claims of pay discrimination, retaliation, and wrongful termination
  • A law firm partner with claims of race and gender discrimination and retaliation
  • Students with Title IX claims of sexual harassment and retaliation against their university
  • Classes of hundreds of thousands of employees in lawsuits alleging that Walgreen Co. and Home Depot, Inc. breached their fiduciary duties by mismanaging assets in their 401(k) plans

Sean received his law degree from Harvard Law School and his Bachelor of Arts magna cum laude from Harvard College. During law school, Sean worked as a student attorney in the Harvard Law School Post-Foreclosure Eviction Defense Clinic and Criminal Justice Institute and interned at the Department of Education’s Office for Civil Rights. He was an editor on the Harvard Civil Rights and Civil Liberties Law Review and worked as a teaching assistant for Professor Diane Rosenfeld in her course on Title IX, the federal law that prohibits sex discrimination in education. Sean also worked as a research assistant to Professor Catharine A. MacKinnon.

Sean is a member of the Massachusetts and District of Columbia bars.

Before joining Sanford Heisler Sharp, Sean was a law clerk for the Honorable O. Rogeriee Thompson of the U.S. Court of Appeals for the First Circuit, the Honorable Lawrence E. Kahn of the U.S. District Court for the Northern District of New York, and the Honorable Mark L. Wolf of the U.S. District Court for the District of Massachusetts.


    • J.D., Harvard Law School
    • B.A., Harvard College


    • Criminal Justice Institute
    • Post-Foreclosure Eviction Defense Clinic


    • Honorable O. Rogeriee Thompson, United States Court of Appeals for the First Circuit
    • Honorable Lawrence E. Kahn, United States District Court for the Northern District of New York
    • Honorable Mark L. Wolf, the United States District Court for the District of Massachusetts

    Bar Admissions

    • District of Columbia, 2021
    • Massachusetts, 2016

    Court Admissions

    • U.S. District Court for the District of Massachusetts, 2021

    UnitedHealth Certified ERISA Class Action

    This class action accuses the fiduciaries of UnitedHealth’s 401(k) plan of violating their fiduciary duties under ERISA by keeping one of the worst-performing target date investment options in the entire market, the Wells Fargo Target Fund Suite, as the plan’s default investment for over a decade.

    Title IX Lawsuit Against Harvard University

    The Complaint, filed on behalf of three doctoral students in Harvard's Anthropology Department, alleges Harvard's deliberate indifference to a nearly decade-long pattern of sexual harassment and retaliatory threats by a prominent professor.

    Walgreens ERISA Class Action

    The complaint alleges Walgreens failed to remove from its employee retirement plan a suite of ten target retirement date funds that have underperformed their investment benchmarks.

    Sean Ouellette Photo

    Sean Ouellette

    Senior Litigation Counsel