Jason Leland Chrestionson

Al began as an associate in the firm of William D. Maddux & Associates from 1984. William D. Maddux became a Circuit Court Judge in Cook County in 1990 and Al became an owner of Kralovec, Jambois & Schwartz, the successor firm to William D. Maddux & Associates at that time. Al's personal highlights include successful jury verdicts in Marion County, Indiana, Cook County, DeKalb County, Will County, Winnebago County and McHenry County, Illinois. The verdicts in DeKalb County (1993) ...

Michael T. Egan is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael T., 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 Michael T. 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.

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.

Sorinel Cimpoes is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Sorinel, 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 Sorinel is held by other top lawyers in the same geographic and legal practice area.

Roy Bossen concentrates his practice in corporate health care. He has represented numerous hospitals and physician groups in corporate and regulatory matters. Mr. Bossen has extensive experience in compliance counseling, structuring and implementing joint ventures, physician contracting and compensation, establishing and representing medical practices and the acquisition and sale of medical practices. Mr. Bossen also has significant experience in regulatory, tax exemption and accreditation co...

Chris L. Dickerson 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. Chris L., who practices law in Chicago, Illinois, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chris L. is held by other top lawyers in the same geographic and legal practice area.

Drawing on nearly 40 years of combined experience as a federal prosecutor and defense attorney, Sheldon Zenner expertly navigates his clients through high-stakes matters, including government and internal investigations, regulatory proceedings, all phases of criminal matters and related civil litigation. Sheldon's diverse client base is made up of corporations, high-ranking executives and company owners across a wide range of industries, including financial services, health care and entertain...

Ana Valenzuela is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ana, 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 Ana is held by other top lawyers in the same geographic and legal practice area.

Jennifer T. Nijman is a founding partner of the environmental firm Nijman·Franzetti LLP with wide ranging experience in litigation defense and enforcement issues as well as issues involving waste and contaminated property. She was formerly a partner and chair of the environmental practice group at the Chicago office of a national law firm. Ms. Nijman represents clients in environmental litigation and enforcement defense, including toxic tort claims, private party disputes, and actions ...