Lisa S. Sauer

Michael J. Summerhill is a partner in the firm’s Litigation practice group. He is a seasoned litigator with extensive appellate and trial court level experience. He represents clients ranging from Fortune 500 companies to startups in a variety of industries, including health care, software, health information technology, financial services and FinTech, medical device, consumer products, and venture capital. Mike also arbitrates commercial disputes before the American Arbitration Associa...

Sarah K. Quinn is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. Sarah K. practices law in Chicago, Illinois Best Lawyers has recognized Sarah K. Quinn since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Sarah K. Quinn is held by other lawyers.

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.

Jonathan P. Froemel, a partner in the Chicago office of Barnes & Thornburg, is a member of the firm's Intellectual Property and Litigation Departments. Jonathan's intellectual property practice focuses on trademark prosecution and trademark, copyright and patent litigation, trademark prosecution and licensing. His litigation practice includes general commercial, construction, environmental, and real estate disputes. Jonathan represents clients in actions across the United States and has l...

Charles A. Porretta is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Charles A. practices law in Chicago, Illinois Best Lawyers has recognized Charles A. Porretta since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Charles A. Porretta is hel...

Legal Experience: Ms. Goldstein is a principal with the firm concentrating her practice in the areas of matrimonial and family law since 1985. She has been an active trial attorney preparing and litigating divorce cases involving complex financial matters, including business and real estate valuation, cash flow analysis and custody issues. Ms. Goldstein also has been appointed by the Court to represent children in custody disputes. Memberships: Ms. Goldstein is a member of the Illinois State ...

A highly skilled civil, criminal, and appellate litigator, Joel Bertocchi handles appeals in state and federal courts and represents clients in connection with criminal and regulatory investigations and proceedings, providing counsel on compliance policies and related issues. He has argued cases in the U.S. Supreme Court and multiple federal Circuits and state appellate courts, and served as Illinois’ Solicitor General, the chief appellate lawyer for the State. A former federal prosecut...

John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm. Read full biography: https://www.mwe.com/peopl...

John F. Kuenstler is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. John F. practices law in Chicago, Illinois Best Lawyers has recognized John F. Kuenstler since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which John F. Kuenstler is held by other lawyers.

Colin Dunn is a highly successful premise liability lawyer, aviation accident attorney, and partner at Dunn Harrington LLC. He obtained his law degree from Loyola University School of Law in Chicago, graduating magna cum laude. Mr. Dunn was eighth in his class of 169, and served on the Law Journal. During law school, he worked for the Honorable Justice Ann Williams of the Seventh Circuit Court of Appeals as well as for the Honorable Judge Ronald Guzman of the United States District Court for ...