Catherine M. Masters

James M. Witz is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. James 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 James M. is held by other top lawyers in the same geographic and legal practice area.

Ruth A. Bahe-Jachna has more than 30 years of experience working on and managing large-scale litigation matters, including numerous MDL proceedings. She regularly defends clients in class actions and product liability and consumer fraud litigation in state and federal courts, as well as in employment-related class actions and FLSA collective actions. Her experience includes the representation of telecommunications clients, including a major U.S. trade association representing wireless manufac...

Joseph has close to 20 years of experience advising financial institutions on corporate and securities matters. Joseph uses a practical and efficient approach to help clients achieve their goals and has successfully completed over 100 M&A and capital market transactions. He also actively serves as outside corporate counsel for bank clients, including publicly traded companies. Joseph is co-chair of Barack Ferrazzano's Financial Institutions Group. He is a frequent speaker at industry conf...

Dennis Myers was a partner in the Capital Markets Practice Group for nearly 25 years before becoming Of Counsel in February 2021 and retiring in February 2022. Dennis focused his practice on representing both public and private companies, including portfolio companies of private equity funds, in a wide variety of capital markets transactions involving the sale of securities. Dennis has significant experience in the following types of transactions: (i) public equity offerings, including initia...

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

Dan K. Webb is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation, Criminal Defense: White-Collar, Litigation - Antitrust, Mass Tort Litigation / Class Actions - Defendants, Medical Malpractice Law - Defendants and Patent Law. Dan K., who practices law in Chicago, Illinois, has been recognized since 1987. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dan K. is held by other...

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.

Jeremy J. Glenn is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Jeremy J., 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 Jeremy J. is held by other top lawyers in the same geographic and legal practice area.

Bill Welke focuses his practice on the tax aspects of complex business transactions and entities, including: mergers, acquisitions, and leveraged buyouts; venture capital and other private equity investments; formation of private equity funds; joint ventures and partnerships; workouts and restructurings; tax contests and controversies. Described as having “encyclopedic knowledge of tax structuring strategies” and “adept at cross-border international tax planning in the conte...

Garret Leach is a nationally recognized first chair trial lawyer who focuses on patent and other intellectual property litigation. He is a registered patent attorney and has successfully led litigation teams in district courts throughout the country as well as at the International Trade Commission. He has also argued for his clients before the U.S. Court of Appeals for the Federal Circuit and the Patent Trial and Appeal Board. His appellate arguments include a successful argument in front of ...