Jonathan E. "Jon" Aberman

Paul M. Markese is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Defendants. Paul M., 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 Paul M. is held by other top lawyers in the same geographic and legal practice area.

Nathan draws on over two decades of insolvency and workout experience to provide practical and insightful advice to clients. He builds relationships to obtain favorable results in both transactional and litigation matters. Nate is the chair of Barack Ferrazzano’s Bankruptcy & Creditor Rights Group. He has extensive experience in all aspects of business reorganizations, workouts, and bankruptcies, inside and outside of court restructurings. This includes the representation of credito...

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...

Thomas P. Jirgal is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Thomas P., 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 Thomas P. is held by other top lawyers in the same geographic and legal practice area.

Susan L. Novosad, Of Counsel, is a highly respected personal injury and wrongful death attorney in Chicago. With nearly 40 years of legal experience, she is known for her compassionate advocacy and relentless pursuit of justice for victims of medical malpractice, nursing home abuse, and catastrophic personal injury cases . Susan is also recognized for her exceptional negotiation skills, helping clients secure fair settlements while resolving disputes effectively. Susan’s legal career is...

Susan E. Brice is a bold litigator, advocate, and advisor with 30 years of experience specializing in environmental law, toxic tort, and product liability defense work. After departing Big Law, where she served in leadership roles, she joined Nijman Franzetti LLP, an all-women owned business savvy boutique in 2020. Over the years, she has worked on significant matters involving at least nineteen states and the Virgin Islands. She has experience in all major aspects of environmental law, takin...

Marcelo Halpern is a partner with the firm's Business practice and a member of the Technology Transactions & Privacy group. Marcelo's practice focuses on transactional, strategic and corporate representation of global "FORTUNE 100" companies, start-up and emerging growth companies, as well as U.S.-based and international governments and non-profits. His experience includes structuring and negotiating technology and intellectual property-oriented strategic alliances and joint ventures; sof...

As a corporate attorney working with clients ranging from start-up entrepreneurs to institutional investors and established companies, Jeremy takes a collaborative, client-focused approach to helping clients understand legal and business risks and offers practical guidance to help them achieve their strategic objectives. Jeremy concentrates his practice on counseling investors (including private equity and venture capital funds and angel investors) in connection with their debt and equity inv...

Lorraine M. Tyson is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Lorraine M., 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 Lorraine M. is held by other top lawyers in the same geographic and legal practice area.

Robert B. Ellis P.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Robert B., 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 Robert B. is held by other top lawyers in the same geographic and legal practice area.