William P. "Bill" Ziegelmueller

Edward J. Kus is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Municipal Law. Edward J., 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 Edward J. is held by other top lawyers in the same geographic and legal practice area.

Dave Resnicoff helps sophisticated companies and executives manage government investigations, whistleblower allegations, and global compliance obligations in a practical way. Dave has experience in a wide variety of industries, and especially in life-sciences, medical device, and medical technology. Dave helps his clients build and assess their compliance programs in light of their business model and risk profile. He helps them respond credibly and proportionately through internal investigati...

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

Ted Becker is Co-Chair of McDermott’s ERISA Litigation Team and a Fellow of the American College of Employee Benefits Counsel. He focuses his practice on litigation under ERISA and related federal and state actions, and defense of government investigations and audits relating to employee benefit, health and welfare, and retirement plans brought by the US Department of Labor, the Internal Revenue Service, and the US Department of Justice. He is a leading voice and nationally recognized p...

E. Lynn Grayson is a partner in the environmental law firm of Nijman Franzetti LLP in Chicago. She is consistently recognized as a leading environmental lawyer by Chambers USA , The Best Lawyers in America , Who’s Who: Environment , Illinois Super Lawyers, and the Leading Lawyers Network . She is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability. Ms. Grayson formerly was a partner and chair of the environmental practice gro...

Arnold G. Rubin is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Arnold G., who practices law in Chicago, Illinois, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arnold G. is held by other top lawyers in the same geographic and legal practice area.

Sean G. Wieber is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Sean G., 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 Sean G. is held by other top lawyers in the same geographic and legal practice area.

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 ...

Mark R. Galis is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law and Trademark Law. Mark R., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark R. is held by other top lawyers in the same geographic and legal practice area.

David Allswang is a partner in Nixon Peabody’s Real Estate group and head of our national leasing team. He represents client in all areas of commercial real estate. What do you focus on? I focus my practice on the acquisition, leasing and disposition of commercial real estate. Working on behalf of landlord entities, I have completed projects involving several million square feet of retail space. I work with clients in the United States, Canada, Mexico, Germany, England, China and Israel...