Mark G. Sheridan

Lou’s clients look to him to counsel them and solve business problems, especially in dealer, distribution, and franchise law, prior to litigation. Lou’s experience as a first chair trial attorney in a variety of commercial disputes puts him in a prime position to resolve disputes successfully and finally whether through settlement, judgment, or appeal. Lou is a commercial litigator and counselor who assists motor vehicle manufacturers and franchisors navigate a complex set of laws...

Ziemowit T. Smulkowski is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Ziemowit T., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ziemowit T. is held by other top lawyers in the same geographic and legal practice area.

Mark Grossmann is global chair of Katten's Corporate practice. Mark knows how to make deals happen. For more than 20 years, he has guided principals and finance sources alike through critical transactions that have helped them grow, compete and realize value. He is known for a refreshingly direct approach that cuts away extraneous issues and gets to the heart of what the parties need. Mark knows that lawyers are often seen as obstacles who can bury the deal in the legal details. He takes a di...

Norma Zeitler serves as outside labor and employment and litigation counsel to nonprofit, healthcare, hospitality and manufacturing clients. Norma is totally committed to helping each client focus on its mission and mitigate the potential for a dispute through proactive counseling and development of sound policies, practices and procedures. Norma represents employers in the defense of employment discrimination, retaliatory discharge, breach-of-contract, workplace torts and restrictive covenan...

Frank A. Sommario is a Partner at Romanucci & Blandin, LLC in Chicago, where he practices as a petitioner's workers' compensation lawyer. Frank was admitted to the Bar in Illinois (2000), Minnesota (2001), and District of Columbia (2001). He received his Juris Doctorate from DePaul University College of Law in 2000. He is a Certified Public Accountant (1998), who received his Bachelor’s degree in Commerce/Accounting from DePaul University in 1997. He became a Registered Investment A...

Harry J. Secaras is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Harry J., who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harry J. is held by other top lawyers in the same geographic and legal practice area.

Scott is a trial lawyer who concentrates his practice on complex commercial litigation, with a particular emphasis on class actions. He was formerly managing partner of the firm, and served on its Executive Committee. Scott has considerable jury and nonjury trial experience, and represents clients in state and federal courts throughout the United States. He has advocated for clients in a broad range of matters, including antitrust, fraud and business torts, health care, breach of contract and...

Peter G. Rush is a top attorney recognized by Best Lawyers in the practice area(s) of Sports Law. Peter G., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter G. is held by other top lawyers in the same geographic and legal practice area.

Gregory E. Spitzer is a partner in the Real Estate practice of the Paul Hastings Chicago office. He represents public and private companies and private equity firms in connection with acquisition, disposition, and financing transactions. Mr. Spitzer’s practice includes all aspects of commercial real estate acquisitions and dispositions, development, leasing, financing, and re-structuring matters. Mr. Spitzer has a particular focus in the areas of real estate restructurings and structure...

Peter M. Siavelis is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Peter M., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter M. is held by other top lawyers in the same geographic and legal practice area.