Marsh was then selected to serve as chairman of the
Reserve Forces Policy Board, a position he held from 1989 until 1994. He later served as chairman and interim CEO of
Novavax, Inc., a pharmaceutical company. Marsh was a confidant of
Dick Cheney when the latter was vice president. From 1998 to 1999, Marsh was visiting professor of ethics at the
Virginia Military Institute, and adjunct professor of law at
The College of William & Mary from 1999 to 2000. In 2007, when patient conditions at
Walter Reed Army Medical Center had become a national concern, Marsh and former Secretary of the Army
Togo West were appointed by Secretary of Defense
Robert Gates to an independent review panel tasked to investigate medical and leadership failures. Among the panel's many recommendations was to close the aging facility and relocate medical services to what was then the
National Naval Medical Center located in
Bethesda, Maryland. Marsh was also a member of the
Markle Foundation. ==Personal life==