Jill O’Brien

Cara M. Houck is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Cara M., 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 Cara M. is held by other top lawyers in the same geographic and legal practice area.

Craig Thorstenson concentrates his practice in the litigation of employment disputes and providing related counseling. Craig Thorstenson concentrates his practice in the litigation of employment disputes and providing related counseling. His experience includes defending numerous WARN Act, FLSA and Title VII class actions, prosecuting and defending actions over restrictive covenants, and handling complex labor arbitrations. He regularly acts as "in-house" employment counsel for several compan...

Stephen Wu is a nationally recognized antitrust lawyer who focuses his practice on defending antitrust litigation in federal courts around the country, defending mergers and acquisitions before the Federal Trade Commission (FTC), the United States Department of Justice (DOJ) Antitrust Division and State Attorneys General and counseling clients on antitrust compliance issues. Read full biography: https://www.mwe.com/people/wu-stephen/

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

David Heiss is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. 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.

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

Ivan M. Poullaos is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice. Ivan 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 Ivan M. is held by other top lawyers in the same geographic and legal practice area.

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

Partner at McDermott Will & Emery -- 1991 - present Co-chairman at McDermott Will & Emery -- 2010-present Previously, head of Trial Department and head of White Collar Criminal Defense Practice Group. Served as an Assistant U.S. Attorney in the Northern District of Illinois from 1986-1991 focusing on the prosecution of white-collar crime.

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’ ...