John R. Mussman

Kenneth T. Lumb joined Corboy & Demetrio as a Chicago personal injury and medical malpractice lawyer in 1995 after a tour of duty in the United States Army. Ken was named Partner in 2015 and Managing Partner in 2019. As a captain in the Army's Judge Advocate General's Corps (JAG Corps), Mr. Lumb served four years as the Medical Claims Judge Advocate at Walter Reed Army Medical Center in Washington, D.C. His duties at the Defense Department's largest medical facility included medical malpr...

Laurie Levin is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Real Estate Law. Laurie, who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Laurie is held by other top lawyers in the same geographic and legal practice area.

Gary Gassman focuses his practice in the areas of insurance coverage counseling and litigation and is co-chair of the firm’s Professional Liability Practice Group. For more than 20 years, his practice has been concentrated on management liability including directors and officers and entity liability, employment practices liability, fiduciary liability, and various types of professional liability and commercial general liability coverage. He also has significant reinsurance experience. G...

Michael Bonamarte IV is a skilled and passionate attorney who has achieved outstanding results in a number of high-profile nursing home, wrongful death, medical malpractice and personal injury cases. His commitment to his clients is rooted in a family legacy of love of the law and meaningful service to those in need, with a special respect and admiration for the elders that our society so often fails to honor. Professional Accolades & Leadership Roles Mike is a member of the Chicago Bar A...

Kristen E. Hazel has extensive experience representing clients in US and international aspects of federal tax matters, including international acquisitions and divestitures, international joint ventures, and capital plan design and implementation, including tax planning with respect to intellectual property. Her work includes both inbound and outbound transactions. Read full biography: https://www.mwe.com/people/hazel-kristen-e/

Barry A. Chatz is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Barry A., 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 Barry A. is held by other top lawyers in the same geographic and legal practice area.

Megan Thibert-Ind is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Megan, 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 Megan is held by other top lawyers in the same geographic and legal practice area.

Tia C. Ghattas is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Tia C., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tia C. is held by other top lawyers in the same geographic and legal practice area.

Nicole K. Mann focuses her practice on all aspects of tax and estate planning, estate and trust administration and family business planning. She also has considerable experience in estate, trust and tax litigation involving disputes between and among family members, fiduciaries and beneficiaries. Nicole is a co-chair of the Firm’s Trust & Estate Controversy group. Read full biography: https://www.mwe.com/people/mann-nicole-k/

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...