Jay H. Janssen

Chris P. Kallos is a top attorney recognized by Best Lawyers in the practice area(s) of Private Funds / Hedge Funds Law. Chris 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 Chris P. is held by other top lawyers in the same geographic and legal practice area.

Alex Lamb ’s desire to help others began early in life. He spent significant time at Cardinal Glennon Children’s Hospital while his father served as director of the Respiratory Care department. During those years, Alex observed the compassion and dedication of medical professionals assisting children and their families, which left a lasting impression on him. He volunteered where he could, including serving as a junior counselor at a summer camp for children with asthma. At the sa...

Sonya counsels companies and organizations on various employee-related legal issues and needs that arise at all the stages of the employment relationship, including the negotiation of employment agreements, restrictive covenants, policies and training, performance management, internal investigations and individual and group separations. Sonya also represents employers in litigation, her experience including the successful defense of numerous administrative charges, lawsuits and appellate proc...

Catherine Basque Weiler is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Medical Malpractice Law - Defendants. Catherine, 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 Catherine is held by other top lawyers in the same geographic and legal practice area.

Wendy N. Enerson is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Wendy N., 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 Wendy N. is held by other top lawyers in the same geographic and legal practice area.

David E. Rapoport is the founding and managing partner of Rapoport Weisberg & Sims P.C. In 42 years as a trial attorney, he has consistently won multimillion-dollar jury verdicts and settlements for people who have been wrongfully injured and the families of people who have been wrongfully killed. Recently, David obtained record high jury verdicts and settlements for his clients, including a $ 13.25 medical malpractice jury verdict in 2023, a $6.4 million medical malpractice settlement an...

Michael E. Holden is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael E., 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 E. is held by other top lawyers in the same geographic and legal practice area.

Jennifer L. Colvin is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jennifer L., 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 Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Brooks B. Gruemmer is a corporate partner with a wide-ranging practice representing private equity and other investment funds and private and public companies, with an emphasis on mergers, acquisitions, divestitures, recapitalizations, joint ventures, and the related financing required to fund such transactions. Read full biography: https://www.mwe.com/people/gruemmer-brooks-b/

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’ ...