Bradford S. Bernstein

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.

Harold J. Ashner is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. Harold J. practices law in Washington, District of Columbia Best Lawyers has recognized Harold J. Ashner since 2016. 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 Harold J. Ashner is held by other lawyers.

Thomas Mueller's antitrust practice focuses on global cartel enforcement matters, as well as merger and other investigations. Having practiced both in Brussels and Washington, Mr. Mueller has insight into antitrust issues on both sides of the Atlantic and has helped steer clients through the difficulties and opportunities created by the closer cooperation between the US and EU authorities. Chambers describes him as "a figure of great stature within criminal and cartel investigation circles" a...

Everybody has a special talent, a skill that gives them satisfaction and pleasure. Some are tap dancers, some are prize fighters. I am neither. I help people solve problems. Over my 30 years of experience in resolving legal conflicts, I have learned and practiced problem-solving techniques that benefit and satisfy both parties without losing sight of my clients' needs and feelings. My foundation for this approach comes from my 20 years in the Army. During my five years as an enlisted man, I s...

Arianna Evers helps clients navigate privacy, cybersecurity and artificial intelligence (AI)-related challenges in an increasingly complex and fluid legal environment. Ms. Evers represents clients in high-stakes enforcement actions with regulators, including the Federal Trade Commission (FTC), state attorneys general, and the US Department of Health and Human Services Office for Civil Rights (HHS-OCR), as well as in litigation in state and federal courts, concerning alleged privacy and consum...

Christopher Cestaro is a partner in the firm's White Collar Defense and Investigations Practice. Mr. Cestaro’s practice focuses on white-collar criminal matters, government enforcement actions, internal corporate investigations, due diligence reviews and compliance counseling. Mr. Cestaro’s unique experience includes more than eight years as a federal prosecutor focused on white-collar cases, three years working as a compliance counsel for a multinational oil services company and ...

Jan Baran is a lawyer recognized by Best Lawyers in the practice area of Government Relations Practice. Jan practices law in Washington, District of Columbia Best Lawyers has recognized Jan Baran 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 Jan Baran is held by other lawyers.

Matt Alegi solves problems. A deal lawyer with significant experience in dispute resolution and regulatory compliance, clients hire him because his practical, results-driven approach gets things done. While his legal practice spans a wide range of real estate and finance-related areas, Matt primarily concentrates on representing buyers, sellers and lenders in the acquisition, sale and financing of real estate. His practice also involves advising lenders and borrowers regarding problem loans, ...

David D. Rines is a lawyer recognized by Best Lawyers in the practice area of Communications Law. David D. practices law in Washington, District of Columbia Best Lawyers has recognized David D. Rines 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 David D. Rines is held by other lawyers.

Rob’s practice focuses on major automobile, commercial truck and bus crashes, products liability, wrongful death and traumatic brain injury cases – these are complicated and important cases. “Our clients are good people who have had devastating things happen to them and their loved ones.” Rob and his team keep a small docket of cases so they can devote their full attention to those they represent. “We treat each client like they are a part of our family. We under...