John Zummo

Background

About John Zummo

Mr. Zummo has over 28 years of experience in all aspects of litigation, including over 30 trials, as well as in bankruptcy matters and alternative dispute resolution. Prior to entering private practice, Mr. Zummo served as a Judge Advocate in the United States Navy and as a Special Assistant U.S. Attorney. In private practice, Mr. Zummo has focused his practice on representing corporate clients in complex litigation and insolvency matters throughout the United States. Mr. Zummo handles a wide range of business litigation matters, including: post mergers and acquisitions disputes; securities fraud litigation (defense); common law fraud claims; creditor’s rights litigation; claims arising out of commercial real estate development projects and transactions; and general business disputes. Mr. Zummo also has significant experience handling insolvency-related matters, including bankruptcy main case and adversary proceedings, and out of court workouts. Mr. Zummo has received many accolades and awards, including being recognized as an Illinois Super Lawyer (2012–2024) and as an Illinois Leading Lawyer (2014–2016). In addition, Gutnicki LLP has been recognized in Chambers 2025 Regional Spotlight. Prior to joining Gutnicki LLP, Mr. Zummo was affiliated with Katten Muchin Rosenman LLP, Reed Smith LLP, and Vedder Price, P.C.