Werner A. Sabo

Jonathan A. Rosenfeld is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Jonathan A., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan A. is held by other top lawyers in the same geographic and legal practice area.

A member of Winston’s Executive Committee and winner of Best Lawyers’ “Lawyer of the Year” honor for securities and capital markets work in Chicago, Bruce represents clients in a variety of securities and financial matters, advising major corporations on their M&A transactions, debt offerings and other key capital market strategies and governance matters. Please read more here: https://www.winston.com/en/who-we-are/professionals/toth-bruce-a.html

Mark Hagedorn advises on a wide variety of intellectual property matters, including patent, trademark and copyright solicitation and IP litigation, licensing and counseling. Appreciated for his honesty and practical legal advice, Mark consistently delivers utilitarian solutions that help his clients resolve disputes and litigation efficiently and economically. Mark offers broad experience in virtually all phases of IP counseling and litigation. He understands and has represented clients invol...

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. ...

David represents management nationwide in virtually all areas of labor and employment law. David’s goal is to identify what each client seeks to achieve and then realize that end. David’s dedication to service is manifest in his accessibility to the clients he serves. A direct communicator, David is valued by clients and colleagues alike for providing practical and on-point legal advice, clear answers to complex questions, and workable business solutions. With more than 30 years o...

Daniel G. M. Marre is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Daniel G. M., 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 Daniel G. M. is held by other top lawyers in the same geographic and legal practice area.

Ross M. Kwasteniet is a partner in the Restructuring Group. His practice is centered around the representation of distressed companies in all aspects of Chapter 11 reorganizations and out-of-court restructurings. Ross also has considerable experience representing both buyers and sellers of distressed assets. Most recently, Ross was recognized in the 2021 edition of IFLR1000. In 2019, Ross was recognized as a Dealmaker of the Year by The American Lawyer. Ross was also recognized in the 2018&nd...

Heidi Steele is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Heidi, 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 Heidi is held by other top lawyers in the same geographic and legal practice area.

As a seasoned litigator with the added benefit of in-house experience, Maile takes pride in her in-depth understanding of her clients and their businesses so she can anticipate their needs, their pain points, and the internal and external pressures they face. With nearly 30 years of experience litigating and counseling clients in all types of commercial litigation, Maile is meticulous, responsive, tough, and strategic. Since joining Barack Ferrazzano, Maile has represented clients in commerci...

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.