While attending law school at George Washington University, Susan Marshall was employed by the Department of Justice as a law clerk - first in the Antitrust Division and then in the Organized Crime and Racketeering section of the Criminal Division. Upon graduation from law school with honors, Ms. Marshall served as Law Clerk to the Honorable Leonard Braman, Superior Court of the District of Columbia. She then joined the General Counsel's Office of the Federal Power Commission where she worked in the field of administrative law.

Since 1978, Ms. Marshall has specialized in communications law. She has represented commercial and noncommercial radio and television broadcast stations, handled Federal Communications Commission applications, and has counseled clients concerning all aspects of FCC rules pertaining to broadcasting. She has also advised broadcast clients concerning compliance with the FCC's Equal Employment Opportunity requirements, and helped conduct on-site seminars for clients concerning EEO matters. She has counseled clients concerning transactional matters and has assisted with the defense of broadcast license renewal challenges and the representation of mutually exclusive broadcast applicants in FCC comparative hearings. Ms. Marshall also assisted with the representation of the National Radio Broadcasters' Association which was a radio-only trade association of more than 2,000 stations throughout the United States until it merged into the National Association of Broadcasters.

Ms. Marshall has co-authored communications newsletters, radio station legal manuals and EEO handbooks for broadcasters. In addition, she co-authored a chapter on employment law in the 1988 Legal Guide published by the National Association of Broadcasters. Member of: D.C., VA. bar.