David A. Agay

As a real estate partner, Brett has more than 20 years of diverse experience advising clients with respect to sophisticated real estate transactions, including acquisitions, dispositions, leasing, development, financings, and joint ventures. Brett is a trusted strategic advisor who maintains a deal-oriented approach with a goal of understanding and achieving his client’s goals in an efficient manner. Brett is thoughtful and highly cost-effective as he concentrates on the material issues...

Fran is a compassionate and resourceful attorney whose practice encompasses all areas of complex family law, including divorce, marital dissolutions, child custody, allocation of parental responsibility, maintenance and child support, relocation, and asset identification and division. Fran also has extensive experience with prenuptial and postnuptial agreements. Because Harrison LLP also provides depth in multiple related practice areas, Fran’s clients benefit from sophisticated estate ...

Known for her diplomacy and practical problem-solving, Jessica Lingertat approaches each transaction with a steady, collaborative hand. Her clients—including large-scale developers entering competitive markets and construction lenders funding varied projects—value her ability to balance risk and reward, structure creative solutions, and help deals cross the finish line with minimal friction. Jessica steers financings and other transactions related to the construction, development ...

Joe Madonia is leader of the firm’s Environmental Litigation team. For more than 25 years, Joe has defended and counseled clients on a wide array of toxic tort and environmental matters at the local, regional and national levels. Joe delivers strong skills as a litigator, multifaceted trial experience, and the regulatory know-how and scientific depth needed to problem-solve at virtually any level of sophistication or difficulty. His experience includes serving as national trial counsel ...

Larry is chair of the firm’s Private Wealth Services practice group. He facilitates successful legal strategies for entrepreneurs, tax-exempt organizations, fiduciaries and high-net worth families and individuals. This work involves estate, gift and charitable planning issues, including business succession, tax-efficient ownership structures, sophisticated tax-exempt structures, trust and estate administration, executive benefits, life insurance and international estate planning for wea...

David Polster is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. David, who practices law in Chicago, Illinois, has been recognized since 2020. 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.

Kevin Desharnais, an environmental litigator and counselor with over two decades of experience, advises clients on environmental matters covering all environmental media, including such areas as air and water permitting and enforcement, hazardous waste management, Superfund liability, and remediation of contaminated sites. He has represented clients in numerous federal and state court proceedings and administrative tribunals, defended clients against citizen enforcement suits, and negotiated ...

Martin G. Durkin is a trial lawyer whose practice includes antitrust and commercial litigation. He has successfully litigated business and transactional disputes, and tried many complex commercial matters. Mr. Durkin's practice is focused on commercial matters, including breach of contract, business torts, RICO, securities fraud and consumer fraud. Mr. Durkin has also represented a number of Fortune 500 companies in the defense of class actions and mass actions. Representative Matters Class A...

Patrick D. Owens is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Patrick 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 Patrick D. is held by other top lawyers in the same geographic and legal practice area.

Megan New is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Megan, 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 Megan is held by other top lawyers in the same geographic and legal practice area.