Susan Elizabeth "Liz" Birnbaum served as Director of the Minerals Management Service in the United States between July 2009 and May 2010. Birnbaum was in charge of administering "programs that ensure the effective management of renewable energy and traditional energy and mineral resources on the nation’s Outer Continental Shelf, including the environmentally safe exploration, development, and production of oil and natural gas, as well as the collection and distribution of revenues for minerals developed on federal and American Indian lands." Wikipedia*
On the C-SPAN Networks:
Elizabeth Birnbaum has seven videos in the C-SPAN Video Library; the first appearance was a 2005 Senate Committee as a Vice President for the Government Affairs of the American Rivers. The year with the most videos was 2010 with five videos.