William P. "Bill" Ziegelmueller

Richard A. Sirus is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. Richard A. practices law in Chicago, Illinois Best Lawyers has recognized Richard A. Sirus 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 Richard A. Sirus is held by other lawyers.

With a reputation for having an in-depth understanding of his client’s businesses and their technologies, Darrick Hooker is a counselor and a litigator who routinely advises clients on a variety of intellectual property issues, with a focus on patents. He also helps protect clients’ trade secrets, trademarks, and copyrights and has a thriving commercial litigation and entertainment law practice. Darrick strives to help his clients identify and manage their global IP assets. He is ...

Michael Jacobson represents issuers, lenders and investors in a wide variety of commercial finance matters. He regularly assists them with senior, first-lien, second-lien, unitranche and mezzanine financings and structures. Michael frequently handles cash flow and asset-based transactions, leveraged buyouts and buildups, recapitalizations, restructurings and workouts. He has extensive experience negotiating the complex intercreditor arrangements these deals can require. He also routinely repr...

Stephen M. Fatum is a partner in the Chicago office of Barnes & Thornburg. He concentrates his practice in the Healthcare Department. Stephen's focus has been on legal and strategic matters affecting physicians, physician organizations and not-for-profit corporations. Stephen routinely negotiates employment agreements, stock transfer agreements, operating agreements and affiliation agreements. He also defends physicians subject to disciplinary proceedings.Stephen is the former general cou...

Matt Regan is a partner in Kirkland's Chicago office. He has broad experience representing plaintiffs and defendants in a variety of commercial litigation matters in both state and federal courts. Matt's cases have involved claims in the areas of antitrust and trade regulation, accountant/auditor malpractice, class actions, products liability, software consulting, fraud and breach of contract, and other complex commercial disputes. The Legal 500 U.S. recognized Matt for his work in Energy Lit...

ADAM J. ZAYED Founder, Managing Attorney of Zayed Law Offices Personal Injury Attorneys Adam Zayed is a top-rated and award-winning Chicago personal injury lawyer . Since Zayed Law Offices Personal Injury Attorneys was formed in 2009, Adam Zayed has built a reputation among his peers in the legal field by providing vigorous yet compassionate representation. As the leader of one of Illinois’ most formidable trial law firms, Adam has been decorated with awards and appointments to leadersh...

Avram I. Feldman is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Avram I. practices law in Chicago, Illinois Best Lawyers has recognized Avram I. Feldman since 2021. 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 Avram I. Feldman is held by other lawyers.

Veteran attorney Michael Elam brings more than three decades of experience in environmental, energy, infrastructure and natural resource law in both the private and public sectors. He structures creative agreements and helps secure approvals and financing for complex national and international agreements involving the development, remediation and financing of environmentally challenged or controversial projects surrounding energy and sensitive water bodies or sources. Michael represents busin...

Having served as a former Assistant Attorney General for the State of Illinois and Assistant Corporation Counsel for the City of Chicago, Jack George is a valued leader who possesses a deep knowledge of real estate law. Jack focuses his practice on real estate, land use, and zoning matters. He is instrumental in shaping the Chicago skyline, and has worked on numerous notable development projects consisting of complex elements such as zoning map amendments, planned development applications, an...

Dennis is a senior partner and a founder of Barack Ferrazzano. He concentrates his practice on commercial real estate and business planning matters. Dennis is the primary North American real estate counsel for Bernard Arnault, Agache, LVMH, and the LVMH brands in the Americas. Dennis is consistently ranked among the top lawyers in Illinois for his real estate practice. He has been Band ranked in Chambers USA for more than 20 consecutive years, named by Leading Lawyers as the #1 Real Estate La...