Cassandra Lenning

Cassandra Lenning

Washington, District of Columbia
(202) 847-4400

CASSANDRA W. LENNING is an associate at Outten & Golden LLP in Washington, D.C., where she is part of the D.C. office’s individual practice group and an active member of the firm’s Discrimination & Retaliation, Executives & Professionals, Family Responsibilities & Disability Discrimination, and Sexual Harassment & Sex Discrimination Practice Groups.  

Ms. Lenning represents employees and executives in litigation, arbitration and negotiation in all areas of employment law.  She also advises and counsels clients with respect to employment, non-compete, separation, and severance agreements.  Her practice focuses on claims of discrimination, retaliation, equal pay, breach of contract, and wrongful termination. 

Before joining Outten & Golden in 2017, Ms. Lenning practiced at a boutique civil rights and employment law firm in D.C., and prior to that, she litigated complex human rights cases at a small non-profit organization and associated law firm.  She served as a fellow at the American Civil Liberties Union of Washington State, and the Washington Lawyers’ Committee for Civil Rights and Urban Affairs, where she worked on employment discrimination and wage and hour matters.

Ms. Lenning received her undergraduate degree, cum laude, from University of Washington, and her J.D. from Duke University School of Law.  During law school, Ms. Lenning was actively involved in multiple civil rights organizations, and spent her summers interning at public interest organizations.

Ms. Lenning is a member of the Bars of the Commonwealth of Virginia and the District of Columbia, and her admission to the Washington State Bar is pending.  She is an active member of the Metropolitan Washington Employment Lawyers Association, as well as the Washington Council of Lawyers, D.C.’s voluntary bar association that promotes public interest and pro bono work.  

Areas of Practice

  • Labor and Employment Law
  • Discrimination & Retaliation
  • Executives & Professionals
  • Family Responsibilities & Disability Discrimination
  • Sexual Harassment & Sex Discrimination

Bar Admissions

  • Virginia, 2011
  • District of Columbia, 2013
  • Supreme Court of the United States of America
  • U.S. District Court District of Colorado
  • U.S. District Court for the District of the District of Columbia
  • U.S. District Court for the District of Maryland
  • U.S. Court of Federal Claims
  • Washington, 2018


  • Duke University School of Law, Durham, North Carolina
    • J.D. - 2011
  • University of Washington
    • B.A. cum laude - 2008

Professional Associations and Memberships

  • American Bar Association, Member
  • National Employment Lawyers Association, Member
  • Metropolitan Washington Employment Lawyers Association, Member
  • Washington Employment Lawyers Association, Member
  • Washington Council of Lawyers, Member
  • Washington State Bar Association, Member


  • English (Primary)