David C. Ainley

Jill B. Berkeley formerly chaired the firm’s Insurance Policyholder practice group and remains an active member of the group. She represents policyholders and claimants in insurance coverage disputes involving toxic torts and hazardous wastes, environmental pollution, construction, products liability, intellectual property, first-party property, business interruption and excess liability matters. In addition to her robust litigation practice, Jill provides counsel on clients’ deve...

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

Laura M. Presto is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Laura M., 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 Laura M. is held by other top lawyers in the same geographic and legal practice area.

Peter Sullivan practices in trial and litigation of complex professional liability and commercial litigation cases, including actions against accountants and attorneys, director and officer liability and coverage cases, consumer class action cases and breach of contract cases. Mr. Sullivan also focuses on lender liability suits, real estate litigation, UCC litigation, state and federal securities law claims, RICO claims, business tort litigation and common law fraud actions.

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 ...

Kevin represents his clients in all aspects of patent law, including due diligence investigations for mergers and acquisitions, patent counseling and prosecution, strategic management of patent portfolios, and opinion preparation, focusing his practice primarily on the biotechnological, pharmaceutical, and medical device industries. Kevin’s work encompasses a broad spectrum of technologies, including therapeutics such as cellular therapies, gene therapies, vaccines, large molecules (bio...

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

David A. Handler is a partner in the Trusts and Estates Practice Group of Kirkland & Ellis LLP. He concentrates his practice on trust and estate planning and administration, representing owners of closely-held businesses, family offices, principals of private equity and venture capital funds, individuals and families of significant wealth, and establishing and administering private foundations and other charitable organizations. David is a fellow of the American College of Trust and Estat...

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.

Howard P. Zweig is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Howard P., who practices law in Chicago, Illinois, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Howard P. is held by other top lawyers in the same geographic and legal practice area.