Thomas J. Cosgrove

Carolyn B. Gleason is Co-head of the Firm’s Trade, Agriculture and EU Regulatory Practice Group. Read full biography: https://www.mwe.com/people/gleason-carolyn-b/

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.

Nathaniel Edmonds serves as the Co-Chair of the firm’s litigation practice in Washington, D.C., which houses over 100 lawyers handling a variety of litigation matters, including internal corporate investigations, white collar criminal defense, anti-corruption compliance, sanctions and export controls, data privacy and cyber security, intellectual property and patent litigation, international arbitration, and antitrust counseling. Mr. Edmonds focuses on global internal investigations, in...

David C. Silver is a partner in the law firm of Holland & Knight. He practices in the areas of real estate acquisition, development, financing and commercial leasing. His practice includes the representation of large developers, pension funds and institutional owners, as well as large corporations in connection with their real estate activities in the Washington, D.C., metropolitan area and nationally. This representation includes the buying, selling, development, financing and/or leasing...

Sarah Moore Johnson is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Sarah Moore practices law in Washington, District of Columbia Best Lawyers has recognized Sarah Moore Johnson 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 Sarah Moore Johnson is held by other lawyers.

Brian Burgess is a lawyer recognized by Best Lawyers in the practice area of FDA Law. Brian practices law in Washington, District of Columbia Best Lawyers has recognized Brian Burgess 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 Brian Burgess is held by other lawyers.

Dennis handles diverse regulatory and transactional matters, ranging from day-to-day client representation to participation in multiple agency and court proceedings involving issues of industry-wide concern. He also handles major administrative and court litigation, and FCC Enforcement Bureau proceedings, for a wide variety of clients. As a member of the District of Columbia Bar, Dennis is admitted to practice in the Third, Tenth and D.C. Circuits, and before the Supreme Court of the United S...

Thomas F. Quinn III is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Tax Law. Thomas F. practices law in Reston, Virginia Best Lawyers has recognized Thomas F. Quinn III since 2022. 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 F. Quinn III is held by other lawyers.

Douglas Hallward-Driemeier is a lawyer recognized by Best Lawyers in the practice area of Appellate Practice. Douglas practices law in Washington, District of Columbia Best Lawyers has recognized Douglas Hallward-Driemeier since 2014. 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 Douglas Hallward-Driemeier is held by other lawyers.

Roberta Anderson Sutton is a lawyer recognized by Best Lawyers in the practice area of Insurance Law. Roberta practices law in Washington, District of Columbia Best Lawyers has recognized Roberta Anderson Sutton 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 Roberta Anderson Sutton is held by other lawyers.