William P. "Bill" Ziegelmueller
About William P. Ziegelmueller
William P. Ziegelmueller is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2021. William P. Ziegelmueller is recognized in the following practice area:
- Chicago, Illinois
- Criminal Defense: White-Collar
Current Firm: ArentFox Schiff LLP
Education: Northwestern University, J.D., graduated 1994
Location: Chicago, IL
Nearby Lawyers
Marc S. Silver is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Marc S., 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 Marc S. is held by other top lawyers in the same geographic and legal practice area.
A well known and highly respected Chicago attorney, Paul L. Feinstein has practiced matrimonial and appellate law since 1980, having obtained his JD degree from Emory University in Atlanta, Georgia. He became a fellow of the prestigious American Academy of Matrimonial Lawyers in 1991. He was admitted to the Appellate Lawyers Association in 2010. He is licensed to practice in Illinois and Georgia, as well as the United States Supreme Court. He has written about numerous matrimonial law subject...
John G. Caruso is a partner in the Real Estate Group in the Chicago office of Kirkland & Ellis LLP. John represents and counsels clients in a broad range of commercial real estate transactions, including financings/commercial lending, acquisitions, dispositions, synthetic lease and sale-leaseback transactions, commercial leases, rights-of-way and easement agreements and portfolio acquisitions and dispositions. John actively represents clients in structuring joint ventures for the acquisit...
Jon Ballis is Chairman of the Executive Committee of Kirkland & Ellis, one of the world’s leading law firms with 6,500 professionals (including more than 3,000 attorneys) around the world committed to the highest quality legal advice and unparalleled client service. In his role, Jon is responsible for establishing and executing upon Kirkland’s strategic priorities, including advancing business initiatives and promoting a culture of performance, collaboration and collegiality. ...
Samantha Maxfield Lerner is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Samantha Maxfield, who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Samantha Maxfield is held by other top lawyers in the same geographic and legal practice area.
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 ...
Kevin M. O'Hagan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Insurance. Kevin M., who practices law in Chicago, Illinois, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin M. is held by other top lawyers in the same geographic and legal practice area.
G. Peter Nichols is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. G. Peter, 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 G. Peter is held by other top lawyers in the same geographic and legal practice area.
Ryan Rohlfsen is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Ryan, 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 Ryan is held by other top lawyers in the same geographic and legal practice area.
Mr. Grund is a Founding Partner with Grund & Leavitt. He practices exclusively in the area of family law concentrating in all aspects of matrimonial litigation.He has successfully represented individuals on all issues arising from divorce proceedings which involve, among other things, the valuation and disposition of substantial business interests, custody, maintenance and other marital and parental rights. Mr. Grund is known as a creative lawyer with a keen sense of the rules and the law...
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer