Justin Tresnowski

Justin Tresnowski is a partner with Hughes Socol Piers Resnick & Dym, Ltd. He counsels and represents clients in state and federal court on a wide range of legal issues, with a focus on civil rights, qui tam, constitutional litigation, and labor and employment litigation. He joined the firm in 2019.

Mr. Tresnowski graduated cum laude from Harvard Law School, where he served as editor-in-chief of the Harvard Law & Policy Review, the national journal of the American Constitution Society. He also received a master’s degree, with distinction, in philosophy and public policy, from the London School of Economics, and earned his undergraduate degree, cum laude, in political science, with a minor in philosophy, politics, and economics, from the University of Notre Dame.

Prior to joining HSPRD, Mr. Tresnowski worked in the City of Chicago’s constitutional and commercial litigation division, defending City ordinances from constitutional challenges ranging from Second Amendment challenges to firearms restrictions to due process challenges to zoning changes. Mr. Tresnowski also served as a law clerk to the Honorable Rebecca Pallmeyer and the Honorable Matthew Kennelly of the United States District Court for the Northern District of Illinois and worked as a Polikoff-Gautreaux Fellow at Business and Professional People for the Public Interest (BPI), where he litigated in state and federal court and engaged in policy advocacy on social justice issues, including political reform and affordable housing.

Mr. Tresnowski is a member of the Illinois bar.


Harvard Law School (J.D. 2013) -cum laude - Editor-in-Chief, Harvard Law & Policy Review
London School of Economics (MCs with Distinction, Philosophy and Public Policy, 2009)
University of Notre Dame (B.A. in Political Science; Philosophy, Politics, and Economics Minor, 2018) - cum laude -Glynn Family Honors Program


Illinois, 2013

Professional Recognition

Included on the Rising Stars list in Illinois by Super Lawyers® (2021-2023)
Named in the Lawdragon 500 Guide as a Leading Plaintiff Employment & Civil Rights Lawyer (2023)

Memberships / Associations

Member, Illinois State Bar Association
Member, Chicago Bar Association
Member, Chicago Council of Lawyers


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