ˈæftɚ kəmplˈiːɾɪŋ hɪz ˌɛdʒuːkˈeɪʃən, sˈɪsən hˈɛld ɐdmˈɪnɪstɹˌeɪɾɪv ænd ˌækədˈɛmɪk pəzˈɪʃənz æt ðə juːnˈaɪɾᵻd stˈeɪts mˈɪlətˌɛɹi ɐkˈædəmi, jˌuːsˌiːˌɛlˈeɪ, ænd oʊhˈaɪoʊ stˈeɪt jˌuːnɪvˈɜːsᵻɾi.
After completing his education, Sisson held administrative and academic positions at the United States Military Academy, UCLA, and Ohio State University.