Elizabeth O'Brien

Lorraine M. Tyson is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Lorraine M., 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 Lorraine M. is held by other top lawyers in the same geographic and legal practice area.

Gene Zelek is a Partner in the Corporate and Litigation Practice Groups and serves as Co-Leader of Freeborn's Antitrust and Trade Regulation Practice Group. Gene focuses his practice on marketing-related law, applying extensive counseling, transactional and litigation experience on behalf of a wide variety of leading consumer and industrial businesses and consulting firms throughout the world. His areas of emphasis include antitrust, pricing and distribution, as well as branding, licensing, i...

William T. Gibbs is a partner at the Chicago personal injury and medical malpractice law firm of Corboy & Demetrio and concentrates his practice on cases arising from railroad negligence, automobile collisions, participation in sports, unsafe pharmaceuticals or medical devices, construction negligence, medical negligence, premises liability, product liability and aviation litigation. For more than a decade at Corboy & Demetrio, Bill has obtained numerous record-setting and multi-milli...

Russell is a Partner at Kirkland & Ellis LLP where he has spent his entire 36+ year career. He focuses his trial, appellate and alternative dispute resolution practice on patent infringement matters and disputes involving and related to technology transfer and patent license agreements. His trial practice includes jury trials, arbitrations and Section 337 proceedings before the U.S. International Trade Commission. His appellate practice concentrates on appeals in the Court of Appeals for ...

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...

Pravin B. Rao is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Pravin B., 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 Pravin B. is held by other top lawyers in the same geographic and legal practice area.

Gretchen Scavo is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Mergers and Acquisitions. Gretchen, 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 Gretchen is held by other top lawyers in the same geographic and legal practice area.

John represents large publicly traded and privately held businesses in controversies, transactional matters and tax planning involving state and local corporate income/franchise taxes, gross receipts taxes, sales and use taxes, and other business privilege taxes. He also defends clients in state tax audits and litigation before courts, administrative agencies and departments of revenue throughout the country. In addition to his state and local tax practice, John is also one of the nation&rsqu...

Ross Emmerman is a broad-based transactional lawyer focusing on domestic and cross-border middle- market mergers and acquisitions, venture capital, and other financings and joint venture arrangements. He counsels public and private companies, family offices, and other buyers and sellers of businesses on structuring and negotiating complex business transactions, including purchases and sales of distressed businesses, executive compensation and general corporate matters. Ross also regularly rep...

Margaret H. (“Peggy”) MCCORMICK is a principal of Minsky, McCormick & Hallagan, P.C., and has been practicing exclusively in the field of immigration law for over thirty years. From 1999 until 2003, she served as national President of the American Immigration Law Foundation, and during her tenure, she established the Immigration Policy Center to increase public understanding of immigration. She is past national President of the American Immigration Lawyers Association (1997-98). She curre...