Jason A. Zweig is a Partner at Bartko Pavia LLP in the litigation practice group. Jason has 25 years of experience representing both plaintiffs and defendants in a variety of complex litigation matters, including antitrust, securities, consumer fraud, insurance, and business litigation. Jason has extensive experience representing entities that opt-out from class actions and seek to bring their own claim. Jason has represented clients in both state and federal courts, as well as arbitral forums.
Prior to joining Bartko Pavia, Jason was a partner at Keller Postman LLC, where he focused primarily on class action and mass tort matters, as well as the representation of opt-out plaintiffs. Prior to Keller Postman, Jason was the managing partner of the Chicago office of Hagens Berman Sobol Shapiro LLP, where he specialized in representing plaintiffs in antitrust and securities class-action litigation, as well as large corporations as opt-out plaintiffs from class actions. Jason was also a partner at Kaplan Fox & Kilsheimer LLP in New York, where he represented plaintiffs in antitrust, securities, and consumer fraud litigation. Prior to Kaplan Fox, Jason was an associate at Proskauer Rose LLP in New York, where he represented defendants in antitrust and securities litigation, and plaintiffs in insurance coverage matters. During law school, Jason served as a judicial intern to the Honorable Jed. S. Rakoff, United States District Judge for the Southern District of New York.
Jason is extremely involved in both his professional and personal community. He is a current member of the Indiana University Student Foundation Board of Associates. Jason is also a member of the Board of Trustees of Am Shalom in Glencoe, Illinois. He has also been involved in numerous bar associations, and held leadership roles in those bar associations, including Chairing the Class Action Committee of the Chicago Bar Association. Jason also believes in serving those who have served us – our nation’s veterans – including volunteering some of his time to assist veterans in pro bono matters.