Henry A. Petri, Jr.

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...

Adam S. Caldwell is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Adam S., who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adam S. is held by other top lawyers in the same geographic and legal practice area.

John Callahan Hale is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. John Callahan, who practices law in Fairfax, Virginia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John Callahan is held by other top lawyers in the same geographic and legal practice area.

A former federal prosecutor with extensive trial and appellate experience, Greg Marshall represents companies and individuals defending government enforcement, white-collar criminal, and civil litigation matters. Greg also conducts internal investigations and advises clients on compliance issues. He has assisted clients in the financial services, healthcare, government contracting, technology, export, and education sectors. Greg has defended investigations and cases involving the False Claims...

Gretchyn G. Meinken is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Gretchyn G., who practices law in Alexandria, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gretchyn G. is held by other top lawyers in the same geographic and legal practice area.

Christian A. Buerger is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Christian A., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christian A. is held by other top lawyers in the same geographic and legal practice area.

Sean P. Kelly has practiced exclusively in the area of family law and divorce for his entire career as a lawyer, which began in 1994. Having "grown up" in the field, Sean has extensive litigation experience and a significant knowledge and understanding of the law. One benefit of his years of litigation experience is that it affords a seasoned trial lawyer like Sean many more opportunities to achieve fair and equitable settlements for his clients. His substantial trial experience, coupled with...

Theresa Small is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Theresa, 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 Theresa is held by other top lawyers in the same geographic and legal practice area.

Sandra Grossman is a founding partner of Grossman Young & Hammond, a full-service immigration and international human rights law firm in Maryland. She is a skilled practitioner with nearly two decades of experience in a broad range of immigration matters. She has earned her reputation as a pragmatic and creative lawyer, who gets the job done even in the most complex of cases. Sandra has developed a unique practice representing and supporting clients before INTERPOL. In 2019, Sandra testif...

Roberta K. Henault is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Roberta K., who practices law in Fairfax, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Roberta K. is held by other top lawyers in the same geographic and legal practice area.