Grant T. Papastefan

Grant T. Papastefan is an associate in the New York office of Constantine Cannon. He concentrates his practice on federal and state antitrust litigation and counseling, also representing whistleblowers and parties to commercial litigation.

Grant graduated from the University of Michigan Law School in 2022, where he was a Dean’s Scholar, student attorney in the Child Advocacy Law Clinic, and oralist in the Henry M. Campbell Moot Court and Philip C. Jessup International Law Moot Court competitions. Also a passionate musician, Grant was a member of Michigan Law’s a cappella group and cover band. He continues to sing in choirs and as a soloist and volunteers with Lawyers for the Creative Arts.

Before law school, Grant attended Northwestern University where he majored in Voice & Opera and Political Science, graduating cum laude and with honors in 2019. Prior to joining Constantine Cannon, Grant was an associate at a law firm in Chicago, where he litigated a variety of complex matters in federal and state trial and appellate courts.

Grant is admitted to practice in Illinois.