Kirk akapedza kudzidza kuAustin's John H. Reagan High School, Austin College, uye University of Texas School of Law. Kubva muna 1994 kusvika muna 1995, Kirk akashanda seMunyori weHurumende yeTexas, kusvikira asarudzwa saMeya weDallas, kwaakashanda kubva muna 1995 kusvika muna 2002 uye ndiye aive wekutanga muAfrica-America kubata chero nzvimbo idzodzo. Akamhanyira Seneti yeUnited States muna 2002, asi akakundwa nemupikisi weRepublican John Cornyn. Mushure mekukundwa kwake, Kirk akashanda semubatsiri paHouston-based law firm Vinson & Elkins uye akashanda semubatsiri weEnergy Future Holdings uye Merrill Lynch.
Austin's John H. Reagan High School, Austin College, uye Yunivhesiti yeTexas Chikoro cheMutemo