Paula Dean Broadwell (née Kranz; born November 9, 1972) is an American writer, academic, and former military officer. She is the co-author with Vernon Loeb of All In: The Education of General David Petraeus, a biography of then International Security Assistance Force commander David Petraeus. On November 9, 2012, she was reported to have been involved in an extramarital affair with Petraeus that triggered his resignation as Director of the CIA when it was discovered by the .