Eric Mahr

Rob Niccolini is co-chair of the firm's Healthcare Practice Group. He represents management in employment litigation and labor disputes, with special experience in the health care, technology, insurance, manufacturing, government contracting, hospitality and retail industries. His practice includes all facets of employment discrimination, harassment, wage and hour, ADA, FMLA, ERISA, covenants not to compete and employment torts, as well as labor arbitration, union campaigns and unfair labor p...

With nearly two decades of experience in government and private practice, Matthew Kulkin is well positioned to help financial market clients navigate complex legislative, regulatory, compliance and enforcement issues. Mr. Kulkin joined the firm in 2022 from another international law firm where he co-chaired its financial services practice group. Before that, he served as the Director of the US Commodity Futures Trading Commission's Division of Swap Dealer and Intermediary Oversight.

Michael Huston counsels clients in high-stakes litigation matters, with a particular focus on crafting winning appellate strategies. He is also sought after for his deep knowledge of administrative law. Michael’s representations are informed by his experience in the Office of the Solicitor General at the U.S. Department of Justice (DOJ), where he represented the federal government before the Supreme Court of the United States. As an Assistant to the Solicitor General, Michael argued nin...

David is the managing partner of the Washington, D.C. office, as well as the co-leader of the Investment Management Group. Prior to joining Sullivan & Worcester, David was Special Counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He previously served as Assistant General Counsel for Legislation and Investment Company and Adviser Regulation at the Securities and Exchange Commission and as Counsel to SEC Commissioner Aulana Peters.

Matthew D. Berkowitz is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Mass Tort Litigation / Class Actions - Defendants. Matthew D., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew D. is held by other top lawyers in the same geographic and legal practice area.

Robert “Mike” Brock is a nationally recognized trial lawyer with 25 years of experience handling high-stakes, bet-the-business litigation. His practice focuses on representing pharmaceuticals and life sciences companies, particularly in product liability and mass tort cases. He has tried cases in a wide range of areas and has represented clients in antitrust, malpractice, toxic tort and securities class action litigation, as well as in other types of cases. Mike is a fellow of the...

Amy Bradley is passionate about seeking justice for her clients. Ms. Bradley zealously protects her clients interests while guiding them through the legal process with a compassionate and relatable approach. She works closely with her clients to strategize and achieve the best possible outcomes. Ms. Bradley’s experience includes more than 100 bench and jury trials. In personal injury matters, she represents clients who have sustained life-altering injuries from the negligence or unlawfu...

Paul M. Hyman is a founding member of Hyman, Phelps & McNamara. Since opening the firm in 1980, he has led efforts to make it the premiere FDA law practice. He brings five decades of perspective to the regulatory priorities and policies of FDA and FTC. Mr. Hyman has advised clients on nearly every aspect of FDA regulation, ranging from premarket approvals, to labeling and post-market compliance, and has defended against enforcement actions such as warning letters, recalls, and court actio...

Catherine P. McCarthy is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Catherine P., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Catherine P. is held by other top lawyers in the same geographic and legal practice area.

Universally considered to be among the country's premier Supreme Court and appellate advocates, Seth Waxman served as Solicitor General of the United States from 1997 through January 2001. In addition to leading the firm's appellate practice, Mr. Waxman engages in a broad litigation and counseling practice, with particular emphasis on complex challenges involving governments or public policy, intellectual property, regulatory, criminal and commercial issues.