Hon. Sherri Beatty-Arthur has served as a Magistrate Judge on the Superior Court since 2020. She has served in the Family Division on the Parentage and Support, Juvenile New Referrals, and Abuse and Neglect calendars. Before joining the court, she served as an Administrative Law Judge with the D.C. Office of Administrative Hearings, where she presided over matters in all jurisdictions, including Public Benefits, Regulatory Affairs, Rental Housing, and Unemployment Insurance.

Judge Beatty-Arthur previously served as an Attorney with the U.S. Department of Agriculture and the U.S. Securities and Exchange Commission, where she focused on civil rights and labor and employment law matters. She also served as a Partner in the law firm of Arthur & Arthur, PLLC, where she represented clients in Family Law, Employment Law, and Small Business Development. Judge Beatty-Arthur served as the Board Chair and Chief Executive Officer for the Office of Employee Appeals for the District of Columbia. She also served on the executive team at the Public Defender Service for the District of Columbia.

Judge Beatty-Arthur is the former Chair of the Washington Bar Association's Judicial Council and the 2018 recipient of the Charlotte E. Ray Award from the Greater Washington Area Council of the National Bar Association for her commitment to minority women in the legal community.

Judge Beatty-Arthur received her Bachelor of Arts degree and Master of Business Administration from the University of Maryland, College Park. She received her Juris Doctor from Howard University School of Law.