Sean M. Berkowitz

Frank J. Bertuca is a trial attorney at Katz, Friedman, Eisenstein, Johnson, Bareck & Bertuca PC in Chicago, Illinois. His practice focuses on Workers’ Compensation Law - Claimants , representing injured workers throughout Illinois in claims involving workplace injuries, occupational illnesses, and related disputes. Since joining the firm in 1999, Frank has handled trial and appellate matters for clients working in the airline, automotive manufacturing, construction, law enforcement...

Mark Filip, a former federal judge and high-ranking Justice Department official, helps to lead Kirkland’s government enforcement defense and internal investigations group, and serves as a member of the Firm’s Executive Committee. As a partner in the Firm’s Chicago and Washington, D.C. offices, Mark has successfully guided numerous Fortune 100 companies and financial institutions through complex mission-critical moments, counseling leaders and Boards of Directors on high-stak...

Peter H. Lieberman is Co-Chair of the Chicago Corporate & Securities Practice. He has more than 20 years of broad experience in mergers and acquisitions, public company, and hedge fund matters, private equity, start-up and venture capital, and related securities regulation issues. Peter brings to his work a diverse transactional background, including a decade-long involvement in hedge fund transactions and securities trading and hedging issues. He has been involved in scores of PIPE and r...

Robert A. Clifford is the founder and senior partner of Clifford Law Offices, a nationally recognized Chicago-based personal injury and medical malpractice firm known for its depth of talent, extensive resources, and unrelenting determination in handling complex personal injury and wrongful death litigation. Founded in 1984, the firm is ranked nationally and locally by Best Law Firms® in several practice areas, including aviation. Under Clifford’s leadership, the firm has recovered ...

R. David Donoghue is a trial attorney and the deputy practice group leader of Holland & Knight's Intellectual Property Group, focusing his almost 15 years of experience upon intellectual property litigation and particularly upon patent disputes. Mr. Donoghue's most recent trial experience includes a jury verdict finding of willfulness, a full trebling of damages and a full award of attorney's fees in the Northern District of Illinois. Mr. Donoghue has also been chosen as lead trial counse...

Mitchell D. Goldsmith is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Mitchell D. practices law in Chicago, Illinois Best Lawyers has recognized Mitchell D. Goldsmith since 2018. 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 Mitchell D. Goldsmith is held by other lawyers.

Phillip W. Nelson is a lawyer recognized by Best Lawyers in the practice area of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Phillip W. practices law in Chicago, Illinois Best Lawyers has recognized Phillip W. Nelson 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 Phillip W. Nelson is held by other lawyers.

Lawrence (Larry) Robert Weisler is an attorney with Cooney & Conway LLP in Chicago, Illinois. He joined the firm as an associate in 2004 after serving as a law clerk for two years. Mr. Weisler earned his B.S. from Michigan State University and his J.D. from The John Marshall Law School. Mr. Weisler represents individuals and families in civil litigation involving asbestos exposure, mesothelioma, product liability, premises liability, and personal injury. His recognized practice areas incl...

Kevin Dreher is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Kevin practices law in Chicago, Illinois Best Lawyers has recognized Kevin Dreher 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 Kevin Dreher is held by other lawyers.

Nick is of counsel in the firm’s Securities Litigation & Regulatory practice group. A trial lawyer with 40 years of experience, he defends financial services firms and their employees in securities matters all over the country. Nick’s practice encompasses the full range of investor-based disputes and regulatory enforcement proceedings, as well as disputes arising out of employment practices in the financial services industry. He also handles internal investigations and investi...