Colin O’Malley

Allan Muchin co-founded the law firm that bears his name. What began in 1974 as the 24-attorney firm Katten Muchin Zavis has today become Katten Muchin Rosenman LLP, with more than 600 attorneys worldwide. Allan began his legal career as a trial attorney for the Internal Revenue Service. When he helped launch Katten Muchin Zavis, he and his partners set out to create a law firm that was innovative, specialized and entrepreneurial. His practice concentrated on advising corporations, partnershi...

John G. Caruso is a partner in the Real Estate Group in the Chicago office of Kirkland & Ellis LLP. John represents and counsels clients in a broad range of commercial real estate transactions, including financings/commercial lending, acquisitions, dispositions, synthetic lease and sale-leaseback transactions, commercial leases, rights-of-way and easement agreements and portfolio acquisitions and dispositions. John actively represents clients in structuring joint ventures for the acquisit...

Jennifer J. Kalas is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Jennifer J., who practices law in Schererville, Indiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer 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.

Dennis is a senior partner and a founder of Barack Ferrazzano. He concentrates his practice on commercial real estate and business planning matters. Dennis is the primary North American real estate counsel for Bernard Arnault, Agache, LVMH, and the LVMH brands in the Americas. Dennis is consistently ranked among the top lawyers in Illinois for his real estate practice. He has been Band ranked in Chambers USA for more than 20 consecutive years, named by Leading Lawyers as the #1 Real Estate La...

Mark A. Carter is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Mark A., 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 Mark A. is held by other top lawyers in the same geographic and legal practice area.

Thomas A. Demetrio is a trial lawyer with an emphasis on medical negligence, product liability, airplane crash and commercial litigation on behalf of plaintiffs. He is Past President of the Chicago Bar Association and Illinois Trial Lawyers Association. He is a fellow of: The American College of Trial Lawyers The International Academy of Trial Lawyers The Inner Circle of Advocates Tom has been listed in Best Lawyers in America since its inception in 1987 and was named by Best Lawyers as the C...

Fran is a compassionate and resourceful attorney whose practice encompasses all areas of complex family law, including divorce, marital dissolutions, child custody, allocation of parental responsibility, maintenance and child support, relocation, and asset identification and division. Fran also has extensive experience with prenuptial and postnuptial agreements. Because Harrison LLP also provides depth in multiple related practice areas, Fran’s clients benefit from sophisticated estate ...

Richard Sirus is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Richard, 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 Richard is held by other top lawyers in the same geographic and legal practice area.

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...