 Denham akashanda muCalifornia State Senate, achimiririra Californias 12th State Senate district kubva muna 2002 kusvika muna 2010. Asati atsvaka hofisi yezvematongerwe enyika, Denham akashanda pabasa rinoshanda uye rekuchengetedza muUnited States Air Force kwemakore gumi nematanhatu, uye akashanda muOperation Desert StormmuIraq uye Operation Restore Hope muSomalia. 