The wife of investment banker Richard C. Blum, who managed enormous capital investments in corporations serving the American defense and intelligence communities, Feinstein had distinguished herself among Senate Democrats as a staunch CIA defender. In her long service on the Senate Intelligence Committee, which she had chaired since 2009, Feinstein established close personal ties with key senior agency figures—championing the candidacy of former deputy director Stephen Kappes to head the agency after Barack Obama was elected.