Beata Krakus

Nancy M. Olson is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Nancy M. practices law in Chicago, Illinois Best Lawyers has recognized Nancy M. Olson since 2026. 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 Nancy M. Olson is held by other lawyers.

Tony develops and implements global strategies for creating, protecting and enforcing the full range of traditional and digital intellectual property assets, including trademarks, copyrights, trade secrets, patents, domain names and social media portfolios. He enforces intellectual property rights in federal and state courts throughout the country and before the Trademark Trial and Appeal Board. He coordinates similar enforcement efforts all over the world. He manages the daily intellectual p...

Mark Grossmann is global chair of Katten's Corporate practice. Mark knows how to make deals happen. For more than 20 years, he has guided principals and finance sources alike through critical transactions that have helped them grow, compete and realize value. He is known for a refreshingly direct approach that cuts away extraneous issues and gets to the heart of what the parties need. Mark knows that lawyers are often seen as obstacles who can bury the deal in the legal details. He takes a di...

Drawing on nearly 40 years of combined experience as a federal prosecutor and defense attorney, Sheldon Zenner expertly navigates his clients through high-stakes matters, including government and internal investigations, regulatory proceedings, all phases of criminal matters and related civil litigation. Sheldon's diverse client base is made up of corporations, high-ranking executives and company owners across a wide range of industries, including financial services, health care and entertain...

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 ...

Don Rocap’s practice focuses on the tax and structuring aspects of acquisitions, dispositions, and reorganizations and private equity fund formations. Described by sources as a "significant force” in the team when it comes to the tax aspects of corporate transactions, Don is known for “bringing a level of sophistication that’s two or three levels up from anybody else.” He has been selected as one of America’s Leading Lawyers for Business in Tax by Chambers ...

Kerrin Slattery is a partner in the law firm of McDermott Will & Emery LLP and is based in the Firm’s Chicago office. Kerrin is the partner-in-charge of the Health Industry Advisory practice in Chicago. Kerrin maintains a general health industry practice, focusing on the representation of hospitals and health systems and other health industry providers and investors. She has significant experience in all aspects of health law transactions, including mergers, acquisitions, affiliatio...

Head of the Securities practice group, Mark Wood is a highly skilled, pragmatic and client-focused practitioner with extensive experience representing public companies and investment banks in a wide variety of ongoing and transactional matters. These include IPOs and other public offerings of equity and debt securities, as well as mergers, acquisitions and other strategic transactions. Mark is also a leading advisor to institutional investors in highly structured private investment in public ...

Joseph T. Murphy, partner at Clifford Law Offices, comes with a great deal of experience in the law since he was sworn in Illinois in 2012. He formerly was a Cook County Assistant State’s Attorney and served as a Special Assistant U.S. Attorney for the Department of Justice at Fort Campbell, Kentucky, where he prosecuted misdemeanor and felony offenses in federal court. He also previously served as chief of federal litigation for the 101 st Airborne Division while serving as an attorney...

David Zwaska is a lawyer recognized by Best Lawyers in the practice areas of Family Law, Family Law Arbitration and Family Law Mediation. David practices law in Chicago, Illinois Best Lawyers has recognized David Zwaska 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 David Zwaska is held by other lawyers.