John Duffy

With more than two decades of experience in zoning and land use matters, Chris Leach represents property owners, developers, and business owners in obtaining approvals of planned developments, zoning changes, special uses, variations, subdivisions, vacations, and dedications. Chris also works with clients in real estate, liquor, and business licensing-related matters. Having represented clients before municipal plan commissions, planning departments, zoning board of appeals, zoning committees...

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

Jean Gallo Wine is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Jean Gallo, 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 Jean Gallo is held by other top lawyers in the same geographic and legal practice area.

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

Bernard S. Kramer represents private equity firms and their portfolio companies in mergers and acquisitions, finance, executive compensation, equity incentive and general corporate matters and public corporations in public offerings and securities matters. Read full biography: https://www.mwe.com/people/kramer-bernard-s/

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...

David O. Barrett is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. David O., 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 O. is held by other top lawyers in the same geographic and legal practice area.

Susan is a partner in the Private Wealth Services practice group. Susan focuses her practice on sophisticated estate planning for business owners, wealthy individuals and entrepreneurs. She helps her clients transfer wealth to younger generations to achieve tax efficiencies as well as protection for beneficiaries and counsels her clients in connection with complex intrafamily issues that wealthy families often face. In addition to helping clients structure their estate plans, Susan advises cl...

Kathryn Montgomery Moran is a Shareholder in the Chicago, Illinois office of Jackson Lewis P.C. She has extensive litigation experience in individual and class action cases in state and federal courts and administrative agencies. When disputes cannot be resolved by agreement or dismissed on technical grounds, Ms. Moran tries cases before juries, judges, administrative law judges and arbitrators. She has successfully defended employers accused of the following: age, sex, race, disability and n...

Peter H. Lieberman is Co-Chair of the Chicago Corporate & Securities Practice. He has more than 20 years of broad experience in mergers and acquisitions, public company, and hedge fund matters, private equity, start-up and venture capital, and related securities regulation issues. Peter brings to his work a diverse transactional background, including a decade-long involvement in hedge fund transactions and securities trading and hedging issues. He has been involved in scores of PIPE and r...