Mary L. Johnson is General Counsel of the National Mediation Board. As General Counsel, she serves as the Chief Legal Officer of the agency and manages the Board's representation program and a legal program which includes litigation. In this role, Ms. Johnson provides legal advice to the Board Members and agency staff. In addition, she ensures compliance with the Freedom of Information Act, Government in the Sunshine Act, and other statutes.

Ms. Johnson received her Juris Doctor from the University of Connecticut School of Law and her A.B. from Barnard College. She is a member of the Connecticut Bar and public Co-chair of the Railroad and Airline Labor Committee of the Labor and Employment Law Section of the American Bar Association.