Jenner & Block

Jonny Zajac is an associate in the Litigation Department and a member of the Class Action and Complex Commercial Litigation practice groups. He has broad experience representing clients in state and federal courts across the country, as well as regulatory agencies.  Mr. Zajac’s litigation experience spans a wide array of commercial litigation, including matters involving breach of contract, securities fraud, class actions, TROs, products liability, trade secrets, and breach of fiduciary duty.  Mr. Zajac also has significant experience performing internal investigations for Fortune 500 countries and representing clients before government agencies including the DOJ, CFTC, SEC, and FCC.

Mr. Zajac maintains an active pro bono practice, where he has represented clients in trial and appellate courts at the state and federal level, in cases involving both civil and criminal matters.  Prior to joining Jenner & Block, Mr. Zajac did a fellowship with Northwestern University School of Law’s Bluhm Legal Clinic, where he represented indigent clients in investor fraud matters.

Mr. Zajac received his B.A., with High Honors and High Distinction, in 2007, from the University of Michigan.  He received his J.D. in 2011, from Northwestern University School of Law, where he served as an associate editor of the Northwestern Law Review.  He was also a quarterfinalist in the Julius Miner Moot Court Competition and went on to serve on that organization’s board.  Additionally, he served as a class representative on the Honor Code Board of Appeals, the school’s disciplinary appellate body, for all three years of law school. 

Mr. Zajac is admitted to practice in the state of Illinois, as well as the Northern District of Illinois and the Seventh and Eleventh Circuit Courts of Appeal.