David J. Cahill

Fredric P. Andes is a partner in the Chicago and Washington, D.C., offices of Barnes & Thornburg and the leader of the firm's water team. Fred is involved in counseling and litigation on issues arising under various federal and state environmental laws, with a special emphasis on Clean Water Act matters. Fred is also advising trade associations, industries, and municipalities on TMDLs, permits, and other water quality matters on the state and federal levels, including development of water...

William W. Merten is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. William W. practices law in Chicago, Illinois Best Lawyers has recognized William W. Merten 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 William W. Merten is held by other lawyers.

Don brings to the table more than 30 years of experience advising companies and executives on best practices in executive and board compensation. Working within the framework of tax, accounting, SEC reporting, and bank regulatory issues, Don helps guide his clients on how best to recruit, incentivize, and retain top talent as well as advise individual executives in their transition into and out of C-Suite positions. Don is a partner in Barack Ferrazzano’s Compensation & Benefits Gro...

David Morris is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. David practices law in Chicago, Illinois Best Lawyers has recognized David Morris since 2024. 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 Morris is held by other lawyers.

Edward A. Mas II is a Shareholder at McAndrews, and has been described by his clients and peers as a “terrifically savvy litigator” who “routinely secures the best position for his clients.” As an advocate, he is “experienced, smart, aggressive, and effective.” For more than twenty years, Ed’s trial and appellate litigation practice has focused on complex patent and technology-related litigation. He has served as lead trial counsel in numerous patent ...

Richard R. Winter is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Richard R. practices law in Chicago, Illinois Best Lawyers has recognized Richard R. Winter 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 Richard R. Winter is held by other lawyers.

Bryan is described by his clients as an absolutely first-class attorney with tremendous experience in virtually every real estate asset class. Through multiple real estate cycles, in good times and bad, Bryan’s experience and judgment have guided his clients to achieve their goals. Bryan has been helping institutional investors, investment advisors, public and private real estate companies, REITs and other financial institutions close their most important deals for almost 30 years. Over...

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...

Philip Harnett Corboy, Jr. was admitted to the Illinois Bar in 1978 and worked in a small white-collar criminal defense firm before joining the criminal division of the Cook County State's Attorney's Office that same year. At the time of his resignation from that public office in 1985, he was a "first-chair" prosecutor - responsible for trying such felonies as murder, rape, armed robbery and kidnapping - in one of the major courtrooms at the Cook County Criminal Courts Building at 26th and Ca...

Lance Zinman, global chair of Katten's Financial Markets and Funds practice, provides comprehensive legal services to asset managers, proprietary trading firms and other participants in the financial markets in need of a single advisor to assist with all aspects of their business. His unique skill set combines a deep understanding of corporate, regulatory, intellectual property and tax law with broad knowledge of the securities and derivatives markets. Using his extensive experience with thes...