Gregory Leighton

Jason J. Keener is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Jason J., 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 Jason J. is held by other top lawyers in the same geographic and legal practice area.

J. William Roberts is Senior Partner and serves as Special Counsel to management of Hinshaw & Culbertson LLP. He served as the firm's first national Managing Partner, from 1997 to 2016. Mr. Roberts maintains an active legal practice in the firm's Chicago and Springfield offices, concentrated in complex civil and criminal litigation, government relations and gaming law. Mr. Roberts’ career has been dedicated to public service through several prominent positions in various levels of g...

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...

John Lausch is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. John, who practices law in Chicago, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Bradley V. Ritter is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Bradley V., 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 Bradley V. 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.

Gregory S. Gistenson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Construction. Gregory S., 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 Gregory S. is held by other top lawyers in the same geographic and legal practice area.

David A. Handler is a partner in the Trusts and Estates Practice Group of Kirkland & Ellis LLP. He concentrates his practice on trust and estate planning and administration, representing owners of closely-held businesses, family offices, principals of private equity and venture capital funds, individuals and families of significant wealth, and establishing and administering private foundations and other charitable organizations. David is a fellow of the American College of Trust and Estat...

When advising creditors in bankruptcies and reorganizations, Peter Siddiqui knows that his job is to make the best of a bad situation. Banks, hedge funds and private equity investors, as well as borrowers, turn to him to find swift solutions that protect their interests with minimal distress. Because he understands his clients' business realities — whether they're in the automobile, real estate, financial services or hospitality and resort industries — he offers advice that's not ...

Thomas M. Power is a partner at Power Rogers LLP in Chicago, Illinois, where he has represented injured individuals and families since 1992. His practice focuses on complex plaintiff-side litigation, including medical negligence , serious personal injury claims, wrongful death matters, and product liability cases arising from dangerous or defective products. Through decades of courtroom and litigation experience, he has worked with clients across Illinois seeking accountability after signific...