Kammala jumla mai zuwa: Feinstein ya kuma yi aiki a matsayin mai ba da shawara ga Majalisar Dattijai ta Majalisar Dinkin Duniya, wanda tsohon Shugaban Majalisar Newt Gingrich da tsohon Shugaban Majalisar Dattawa George J. Mitchell ke jagoranta. Daga 2007 zuwa 2008, Feinstein ya kasance darektan tsaro na kasa don yakin neman zaben shugaban kasa na Clinton, kuma daga bisani ya yi aiki a matsayin mai ba da shawara kan harkokin waje ga Majalisar Dinkin Duniya.
Gasar Barack Obama. Daga 2008 zuwa 2009, Feinstein ya yi aiki a matsayin Babban Jami'in Ziyarci a Cibiyar Brookings. Daga 2009 zuwa 2012, Feinstein ya yi aiki a matsayin Jakadan Amurka a Jamhuriyar Poland. Majalisar Dattijan Amurka ta tabbatar da shi da yardar rai.