She first joined the Department of Energy in November 1997 as director of the Office of Nonproliferation and National Security .
At DOE , Gottemoeller was responsible for all nonproliferation cooperation with Russia and the Newly Independent States .
Gottemoeller first joined the DOE     in November 1997 as director of the Office of Nonproliferation and National Security .
At DOE , Gottemoeller was responsible for all nonproliferation cooperation with Russia and the Newly Independent States .