William J. McKenna

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

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

Tom Quinn loves the art of persuasion. He got his first lessons in this critical skill through door-to-door campaigning in college for candidates who had dreams of changing the world through public service, and later by gathering thousands of petition signatures for initiative campaigns to reform state government. Through all those one-on-one encounters with everyday people in their homes, on street corners, or in meeting halls, Tom learned what it takes to move a person to support a point of...

Kim R. Walberg is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law. Kim R., 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 Kim R. is held by other top lawyers in the same geographic and legal practice area.

James J. Mazza, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. James J., 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 James J. is held by other top lawyers in the same geographic and legal practice area.

David Zwaska is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

Gretchen Scavo is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Mergers and Acquisitions. Gretchen, 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 Gretchen is held by other top lawyers in the same geographic and legal practice area.

Ranked by Chambers USA for both taxation and tax controversy, The Legal 500 , and Best Lawyers in America , David Blum provides transactional, tax planning, and tax litigation counsel to local and multinational businesses throughout the United States. His practice serves a variety of sectors, including telecommunications, automotive retail, equipment leasing, financial services, senior care, logistics, hospitality, and retail, among others. According to a client quoted in Chambers , “Da...

Matthew Antinossi's practice includes all ERISA-related areas, and he has extensive experience with the employee benefits aspects of mergers, acquisitions and divestitures, including ESOP transactions. In addition to his transactional practice, Matthew is frequently involved in representing debtors in the employee benefits aspects of bankruptcy, insolvency and restructuring. Such representations frequently involve resolution of complex ERISA Title IV issues. A significant portion of Matthew's...

Joseph E. Tilson is Co-Chair of Cozen O'Connor's Labor & Employment Department and a member of the Management Committee and Board of Directors. Joe represents employers in large-scale employment litigation and labor arbitrations. In the past 35 years, he has tried more than 150 jury and non-jury cases before the full range of courts, administrative agencies and labor arbitrators. His clients include a number of the country’s largest public and private employers, and Illinois’ ...