Thomas E. "Tom" Spahn

Robert C. Jones is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Robert C., 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 Robert C. is held by other top lawyers in the same geographic and legal practice area.

Mark’s background includes a broad array of multijurisdictional and complex commercial disputes, including class action litigation. He has practiced before state and federal courts, as well as in arbitration actions, and he has been involved in all aspects of litigation—from pretrial discovery and motion practice to trial advocacy and appellate practice. He regularly represents plans, their sponsors, and insurance companies before federal and state regulatory agencies. As a litiga...

Dennis Somech is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Dennis, who practices law in Leesburg, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dennis is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/ising-elizabeth-a/ .

Lee G. Petro is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Lee G., 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 Lee G. is held by other top lawyers in the same geographic and legal practice area.

David is the Managing Partner of Winston’s D.C. Office. He advises clients on the management of a variety of benefit plans, and regularly counsels on executive compensation arrangements. Clients describe him as “very knowledgeable, responsive, and practical” and “recommend David to any client seeking an employee benefits counsel” (Chambers USA). Please read more here: https://www.winston.com/en/who-we-are/professionals/rogers-david-e.html

Ashley Haun is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Ashley, who practices law in Bethesda, Maryland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ashley is held by other top lawyers in the same geographic and legal practice area.

Stephen Weissman is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law and Litigation - Antitrust. Stephen, 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 Stephen is held by other top lawyers in the same geographic and legal practice area.

Matthew D. Berkowitz is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Mass Tort Litigation / Class Actions - Defendants. Matthew D., 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 Matthew D. is held by other top lawyers in the same geographic and legal practice area.

Matthew F. Nieman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Matthew F., who practices law in Reston, Virginia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew F. is held by other top lawyers in the same geographic and legal practice area.