Andrea I. Sarmentero Garzón

David G. Barger focuses his practice on white collar criminal defense, government investigations, including Foreign Corrupt Practices Act (FCPA) investigations, corporate compliance, including FCPA compliance, criminal and civil tax controversies, and complex commercial litigation. His practice includes representing companies and individuals in civil and criminal government investigations, often involving government contract issues; and handling complex civil litigation in both state and fede...

David Brown is co-chair of the firm’s corporate practice area, which includes its corporate, energy, finance, health care, real estate and public policy groups, and a partner in the Financial Services & Products Group, which he previously led. His practice focuses on mergers and acquisitions, corporate governance, securities disclosure, and payment system and other technology transactions, with an emphasis on the financial services, technology and telecommunications industries. Davi...

Jeremy B. Root is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Jeremy B., who practices law in Fairfax, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeremy B. is held by other top lawyers in the same geographic and legal practice area.

Elliott A. Milhollin is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. Elliott A., 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 Elliott A. is held by other top lawyers in the same geographic and legal practice area.

Alex Heidt is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Alex, who practices law in Fairfax, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alex is held by other top lawyers in the same geographic and legal practice area.

Jeffrey A. Kolender chairs the firm’s Estate Planning and Estate & Trust Administration practice groups. He concentrates primarily in those areas and also advises small businesses in tax business planning. A former chairman of the Estates and Trusts Section of the Montgomery County Bar Association, Mr. Kolender has participated as lecturer and co-author of outlines for several continuing legal education seminars regarding estate planning. His topics have included “Advising Cli...

Cullen Drescher Speckhart is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Cullen Drescher, who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cullen Drescher is held by other top lawyers in the same geographic and legal practice area.

Joel R. Grosberg is co-head of McDermott’s Antitrust Mergers Focus Group and assists clients on civil and criminal antitrust matters, including obtaining merger clearances, counseling and litigation. He has represented clients in obtaining antitrust approvals in numerous challenging transactions, and in other government antitrust investigations before the Department of Justice, the Federal Trade Commission (“FTC”) and foreign competition authorities. Joel has significant exp...

Victor E. Long is a Partner in the Washington, D.C. litigation law firm of Regan Zambri Long PLLC and limits his practice to representing injured clients in medical malpractice, automobile, wrongful death and other serious personal injury cases. Mr. Long is board-certified in Civil Trial Advocacy by the National Board of Trial Advocacy and is licensed to practice in the District of Columbia and Maryland. Prior to entering private practice, Mr. Long was a trial attorney in the U.S. Department ...

Paul J. Kiernan is a trial lawyer and appellate who focuses on administrative-agency litigation, real-estate disputes, corporate-governance litigation and local government law. He represents businesses, developers, institutions, lenders, hotels, landlords, and tenants on land use, condemnation, development and property-management disputes and matters involving distressed real estate. Mr. Kiernan has substantial experience in general commercial litigation, commercial and international arbitrat...