Martin E. Sullivan
Martin E. Sullivan served as Director of the US National Portrait Gallery, administered by the Smithsonian Institution, from 2008-2012. He expanded the range of portraits commissioned by the gallery to include "notable Americans such as Eunice Kennedy Shriver and Alice Waters" in addition to portraits of Presidents and First Ladies. Upon retirement in 2012, Trescott became a Senior Scholar at the Smithsonian. Wikipedia*
On the C-SPAN Networks:
Martin E. Sullivan has one video in the C-SPAN Video Library; the first appearance was a 2008 Speech.