Gregory L. Masters

William J. Cople III defends government contractors and commercial companies in a range of critical industries in government investigations, litigation, trials, and prosecutions involving the False Claims Act, Anti-Kickback statute, and Foreign Corrupt Practices Act, and handles corporate internal investigations, whistleblower claims, and Congressional investigations. He represents pharmaceutical, medical device, financial institution, and engineering and construction firms as trial counsel i...

Deborah D. Cochran has over 34 years of experience assisting individuals, families and business owners with all of their estate planning needs. Her practice includes designing custom estate plans for each client, as well as tax planning and trust and estate administration. Debby’s personable approach quickly puts her clients at ease and comfortable to discuss their family situation, helping them focus on what is most important to them. Debby then works with her clients to design the app...

Beth Mcintosh Irving is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law and Real Estate Law. Beth, who practices law in Rockville, Maryland, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Beth is held by other top lawyers in the same geographic and legal practice area.

Kellie B. Combs is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Kellie B., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kellie B. is held by other top lawyers in the same geographic and legal practice area.

Todd Steinberg focuses his practice on helping high net worth individuals and families navigate complex and sophisticated estate and income tax planning matters. He assists clients with multi-generational wealth preservation and accumulation, as well as probate and trust administration, and charitable planned giving. Todd has substantial experience in complex, post-death estate and trust administration, as well as fiduciary litigation matters. He has represented clients in IRS estate and gift...

Peter Pfohl is a partner at Slover & Loftus LLP specializing in transportation, energy, administrative law, and legislative matters. He has been with the firm since 1997, and has represented a wide variety of clients, including railroad consumers, trade associations, state and local entities, and short-line and regional railroads. Mr. Pfohl actively participates in administrative adjudications, rulemakings, and hearings, in court litigation and appeals, and in the legislative arena.

Frank J. Pergolizzi is a top attorney recognized by Best Lawyers in the practice area(s) of Transportation Law. Frank J., who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Frank J. is held by other top lawyers in the same geographic and legal practice area.

Ilona Ely Grenadier Position: Partner. Founding Partner Background: Born, Baltimore, Maryland, May 18, 1940; admitted to Virginia Bar in 1968. Education: Mount Holyoke College (B.A., 1962); George Washington University (J.D., cum laude, 1967). Order of the Coif. Member: Alexandria, Fairfax , Virginia and American (Member, Family Law Section) Bar Associations; Virginia State Bar; Virginia Trial Lawyers Association ; American Academy of Matrimonial Lawyers ; International Academy of Matrimonial...

George J. Hazel is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. George J., 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 George J. is held by other top lawyers in the same geographic and legal practice area.

Louis Cohen is a senior counsel in the firm's Litigation/Controversy Department, and a member of the Appellate and Supreme Court Litigation Practice Group. He joined the firm in 1967. Mr. Cohen served as Deputy Solicitor General of the United States from 1986-1988, and focuses on US Supreme Court and other appellate litigation and corporations law. Mr. Cohen’s appellate practice has included more than fifty cases on the merits in the US Supreme Court and a large number of cases in the c...