Roxanne A. Walton

James V. Cole is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. James V., 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 James V. is held by other top lawyers in the same geographic and legal practice area.

Patrick F. Stokes is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Patrick F., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick F. is held by other top lawyers in the same geographic and legal practice area.

Practice Experience Jonathan is a leading global authority on international disputes and investment, as well as complex negotiations and crisis management. As head of Latin American arbitration, he has successfully advised on some of the most critical issues of the era in Latin America and beyond, such as the cultural patrimony of Machu Picchu, the new Ecuador international airport, the Argentine sovereign debt crisis, the development of the Peruvian energy sector and the Panama Canal expansi...

Julia Anne Matheson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Trademark Law. Julia Anne, 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 Julia Anne is held by other top lawyers in the same geographic and legal practice area.

Linda Singer represents governments, attorneys general and other public entities in high-impact, high-stakes litigation and investigations as head of the firm’s Public Client practice area. The former Attorney General of the District of Columbia, Linda’s knowledge and experience includes serving in the public, not-for-profit and private sectors. As AG, Linda gained invaluable insight into the duties of attorneys general and how law firms with the right resources and experience can...

Tania Klam is a cum laude graduate of George Mason University (B.A. in Government and International Politics with a minor in Legal Studies) and a graduate of the Penn State Dickinson School of Law (J.D. 2009). She is admitted to practice in Virginia, District of Columbia, New York, and Florida. She is fluent in Arabic and focuses her practice on Family Law. Ms. Klam began her legal career as a prosecutor in Brooklyn, New York where she served as an Assistant District Attorney. While there, sh...

Colleen C. Jarrott is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Energy Law and Oil and Gas Law. Colleen C., 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 Colleen C. is held by other top lawyers in the same geographic and legal practice area.

Alan S. Mark is a member of the firm’s Commercial Transactions , Financial Services , Real Estate , and Science & Technology Practice Groups. For the past 35 years, Mr. Mark has concentrated on corporate, commercial and real estate finance matters. He has served as outside counsel to numerous local, regional and national financial institutions, publicly traded biotechnology companies and hotel owners and operators. He has also served as outside counsel to information and telecommuni...

James Grier Hoyt is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. James Grier, 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 James Grier is held by other top lawyers in the same geographic and legal practice area.

The Law Offices of G. Allen Dale, PLLC, is a litigation firm with a national practice in criminal and enforcement matters. Its founder, Allen Dale, has over 45 years of experience in white-collar criminal defense and regularly represents individuals in high-stakes criminal matters. Clients rely on Mr. Dale for his legal expertise and skill, innovative thinking, and zealous advocacy. He is solution oriented and approaches each case with the passion, drive, and tenacity his clients deserve. His...