 Marshall served as Director of Legislative Affairs and Deputy Counsel to Vice President Al Gore, for whom he had previously worked in the United States Senate and as Deputy Campaign Manager of the Gore For President Campaign in 1988 and as traveling policy advisor on the Clinton-Gore Presidential Campaign.Marshall worked for the Clinton Administration from 1997 as Assistant to the President and White House Cabinet Secretary.In that role, he managed White House relations with the executive departments; his responsibilities included organizing cabinet meetings and briefings, compiling a daily update of cabinet department activities, and coordinating responses to natural and transportation disasters.