Colleen Coffman

Employers faced with complex employment and employee benefit claims count on Emily Seymour Costin to resolve disputes at the beginning stages with maximum efficiency. In addition to managing active cases, she advises clients on proven strategies to avoid future litigation. Emily leads the firm’s ERISA Litigation practice. She regularly represents employers, plan sponsors, insurers, and fiduciaries in litigation over benefits and fiduciary matters under ERISA, including those involving i...

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...

Vincent “Vince” McKnight, Jr., is the Managing Partner of Sanford Heisler Sharp’s Washington, D.C., office and Co-Chair of the firm’s Whistleblower Practice. He also represents clients in employment discrimination and wrongful discharge cases. Vince represents whistleblowers in sealed and unsealed False Claims Act/qui tam suits under investigation by the United States and other governmental stakeholders. He has achieved significant success in such cases, including the ...

Joseph Guarino handles dispute resolution in the construction sector, including major claims relating to the development of energy facilities, hotel complexes and commercial buildings. His experience includes all aspects of contract drafting and negotiations, counseling on contract administration, claim preservation and avoidance, and dispute resolution and litigation within the construction industry. Joe's broad experience includes tunnels, power plants, high-rise buildings, hospitals, deten...

As a trial lawyer for over 30 years, Bruce Blanchard understands the pressure, expense, frustration, and uncertainty that litigation imposes upon a client. In order to achieve a desired outcome in court, Bruce works with his clients to define their priorities and develop a strategy that achieves the clients’ objectives. He brings common sense, an affinity for people, and a commitment to ethics in both his civil and criminal practice. Bruce believes hard work, preparation, and identifica...

Mr. Cassidy focuses on legal issues raised by cross-border business transactions, including antidumping and countervailing duty proceedings, economic sanctions, export controls and customs issues. He is experienced in devising strategies for using trade law procedures, such as the antidumping laws, to achieve business objectives and in resolving disputes between companies and the US government arising from sanctions, export controls and customs laws. Mr. Cassidy served as General Counsel of t...

Matthew Tuchman is a lawyer recognized by Best Lawyers in the practice area of Communications Law. Matthew practices law in Washington, District of Columbia Best Lawyers has recognized Matthew Tuchman since 2027. 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 Matthew Tuchman is held by other lawyers.

Justin V. Shur is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Justin V. practices law in Washington, District of Columbia Best Lawyers has recognized Justin V. Shur 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 Justin V. Shur is held by other lawyers.

Frank J. Pergolizzi is a lawyer recognized by Best Lawyers in the practice areas of Railroad Law and Transportation Law. Frank J. practices law in Washington, District of Columbia Best Lawyers has recognized Frank J. Pergolizzi since 2020. 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 Frank J. Pergolizzi is held by other lawyers.

Catherine Guttman-McCabe is a lawyer recognized by Best Lawyers in the practice area of Civil Rights Law. Catherine practices law in Washington, District of Columbia Best Lawyers has recognized Catherine Guttman-McCabe 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 Catherine Guttman-McCabe is held by other lawyers.