Daniel Kohn

Keith Hebeisen is a partner at Clifford Law Offices. One of the most respected medical malpractice attorneys in Illinois, Mr. Hebeisen has achieved great results for clients in settlements and trials. Although Mr. Hebeisen concentrates his practice in the area of medical malpractice cases against doctors and hospitals, he has represented individuals in a wide variety of cases, including transportation, product liability and toxic torts. We are proud to have him on our team. Mr. Hebeisen has b...

Richard M. Horwood has devoted his practice to business and financial planning, including business law, taxation and estate planning. His extensive experience has allowed him to develop the resources that make him an acknowledged authority in these areas. He advises business owners, non-profit organizations, donors and collectors on a variety of complex planning issues. He advises art collectors regarding key issues such as authentication/provenance, collection management, tax matters, dispos...

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...

William J. Serritella, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. William J., who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William J. is held by other top lawyers in the same geographic and legal practice area.

Charles Helsten is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Charles, who practices law in Rockford, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles is held by other top lawyers in the same geographic and legal practice area.

Timothy J. Ritchey is a partner at Peck Ritchey, LLC who concentrates his practice in estate and trust litigation , elder law , and guardianship . Tim has been appointed Special Assistant Attorney General in numerous matters to represent the State’s interests in actions relating to Illinois healthcare and disability law. In 2014, Tim wrote legislation and testified as an expert before the Illinois Senate on an amendment to the Illinois Probate Act regarding elder abuse and financial exp...

Thomas J. Wimbiscus, a shareholder with McAndrews, has more than thirty years of experience and practices in all areas of intellectual property litigation, with a special emphasis on patent and trademark litigation. He has appeared in over 100 litigations and over 100 inter partes reviews (IPRs). He was named one of the 10 most active IPR practitioners in the U.S. for patent owners. (Patexia 2018.) Tom was named as one of the world’s leading patent professionals by IAM Patent 1000 in 20...

Jennifer Romig is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Jennifer, who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer is held by other top lawyers in the same geographic and legal practice area.

Ana Valenzuela is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ana, 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 Ana is held by other top lawyers in the same geographic and legal practice area.

Philip A. Bareck has been with Katz Friedman since 1991, became a partner in 2003, and a shareholder in 2007. Currently, he is an Adjunct Professor at IIT Chicago-Kent College of Law teaching Workers' Compensation Law, has been selected as an Illinois Super Lawyer (5% of the attorneys in Illinois), included in Best Lawyers in Workers’ Compensation Law, awarded inclusion in Top Trial Lawyers (American Trial Lawyers Association top 100 Trial Lawyers for Illinois), Top Attorneys in Illinoi...