Barry R. Katz

Rita M. Powers is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Rita M., 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 Rita M. is held by other top lawyers in the same geographic and legal practice area.

Anne E. Larson is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Employment Law - Management. Anne E., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne E. is held by other top lawyers in the same geographic and legal practice area.

Sergio Acosta is Co-Chair of Akerman’s White Collar Crime and Government Investigations Practice. A former federal prosecutor and Fellow of the American College of Trial Lawyers with over 70 jury trials to his credit, he has extensive experience defending companies and individuals in criminal and regulatory proceedings, conducting internal investigations, and counseling clients on compliance programs and related issues. Sergio represents companies and individuals in regulatory, civil, a...

Thomas G. Siracusa is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Medical Malpractice Law - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Thomas G., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas G. is held by other top lawyers in the sa...

John Hartmann is a partner in Kirkland & Ellis LLP’s litigation practice group, where he focuses on shareholder, professional liability and business litigation matters, as well as regulatory enforcement proceedings and corporate internal investigations. John has represented leading corporations, professional services firms, private investment firms, as well as their directors, officers and partners, in numerous securities class actions, shareholder derivative suits, disputes over co...

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

Brent has devoted more than 30 years to advising banks, thrifts, insurance companies and agencies, securities broker dealers, and investment advisory clients on complex regulatory matters, formation and capitalization, business combinations, examination, and enforcement issues. Brent is a strong advocate for his clients, dedicated to achieving reasonable and practical solutions. Brent’s experience is focused on the financial services industry. He began his career as an examiner with the...

Nick Kahlon’s approach to litigation is straightforward: out-think and out-prepare the other side. His ease in court is grounded in the knowledge that he has thought through and planned for every detail, and his ease with clients comes from a deep understanding of their business needs. Nick’s practice focuses on complex commercial litigation, including noncompetes, class actions, patent cases, and other significant business disputes. He has represented some of the largest companie...

Jeffrey (Jeff) M. Holdvogt regularly counsels public and privately held companies and tax-exempt organizations on a wide range of employee benefits matters. These include the design and administration of complex pension, 401(k) and 403(b) plans, nonqualified and executive deferred compensation arrangements, fiduciary and plan investment issues under the Employee Retirement Income Security Act (ERISA), internal compliance reviews and voluntary correction filings, and benefit plan matters arisi...

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...