From April 2009 to July 2011, Brooks was a counselor to Under Secretary of Defense for Policy Michèle Flournoy.
fɹʌm ˈeɪpɹəl tˈuː θˈaʊzənd nˈaɪn tə dʒuːlˈaɪ tˈuː θˈaʊzənd ɪlˈɛvən, bɹˈʊks wʌzɐ kˈaʊnsəlɚ tʊ ˌʌndɚ sˈɛkɹətɹi ʌv dᵻfˈɛns fɔːɹ pˈɑːlɪsi mˈɪtʃɛl flˈaʊɚnˌɔɪ.