Michael H. "Mike " Kenny

Jonathan is a trial lawyer who focuses on complex, high-exposure commercial litigation matters, including, but not limited to, breach of contract, business torts, fraud, antitrust and unfair trade practices, securities fraud, class action defense and consumer fraud. He manages all facets of the adversarial process, including developing pre-litigation strategy, pursuing injunctive relief, and acting as lead counsel through trials and hearings before state and federal courts and administrative ...

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...

Tom Quinn loves the art of persuasion. He got his first lessons in this critical skill through door-to-door campaigning in college for candidates who had dreams of changing the world through public service, and later by gathering thousands of petition signatures for initiative campaigns to reform state government. Through all those one-on-one encounters with everyday people in their homes, on street corners, or in meeting halls, Tom learned what it takes to move a person to support a point of...

With over thirty years of counseling and defending clients in white collar criminal investigations and regulatory enforcement actions, as well as in complex litigation, Ed has guided individuals and businesses through some of the most difficult situations they have faced in their professional lives. Clients value Ed’s calm demeanor and sound judgment as he counsels them through these challenges, as well as his ability to advocate powerfully for their interests, while maintaining credibi...

Thomas Y. Mandler is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Labor Law - Management. Thomas Y. practices law in Chicago, Illinois Best Lawyers has recognized Thomas Y. Mandler since 2023. 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 Thomas Y. Mandler is held by other lawyers.

Heather’s experience includes the representation of healthcare providers, including hospitals, health systems, specialty hospitals, ambulatory surgery centers, multi- and single-specialty medical practices, and a wide variety of healthcare entrepreneurs. During the past several years, Heather has devoted the majority of her time and effort to matters related to hospitals, health systems and group medical practices. With experience that is both broad and deep, Heather represents healthca...

G. Peter Nichols is a lawyer recognized by Best Lawyers in the practice area of Patent Law. G. Peter practices law in Chicago, Illinois Best Lawyers has recognized G. Peter Nichols 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 G. Peter Nichols is held by other lawyers.

James Hallagan is a lawyer recognized by Best Lawyers in the practice area of Immigration Law. James practices law in Chicago, Illinois Best Lawyers has recognized James Hallagan since 2008. 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 James Hallagan is held by other lawyers.

Andrew S. May is a seasoned securities and commodities partner with decades of experience in navigating complex compliance issues, regulatory enforcement actions, and customer disputes, as well as industry disputes. As a true counselor to his clients, he prioritizes understanding their unique operations and challenges alongside the laws and regulations governing them. With over 25 years of experience in serving participants in the securities and futures industries, Andrew is well-equipped to ...

Sandra P. McGill is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Sandra P. practices law in Chicago, Illinois Best Lawyers has recognized Sandra P. McGill since 2027. 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 Sandra P. McGill is held by other lawyers.