Pedzisa mutsara unotevera: Rosalyn Lemieux akashanda somutungamiriri mukuru wokutanga kubva muna 2006 kusvika muna 2007. Judith Freeman akashanda semutungamiriri mukuru kubva muna 2007 kusvika muna 2013, aine zororo muna 2008 kuti ashande pa
Mushandirapamwe waBarack Obama wokutsvaka kuva purezidhendi. Laura Packard akashanda somutungamiriri mukuru wenguva pfupi panguva iyoyo. Muna 2013, aimbova mutungamiriri wedata raObama weAmerica Ethan Roeder akabatwa semutungamiriri mukuru.