Wendell T. Cunningham completed his MBA with his thesis "Plan for a Reorganization of a Fraternal Insurance Company." He then assumed a leadership role in Cunningham & Sons, the real estate firm in Atlanta founded by his father Samuel. A decorated WWI and WWII veteran, Cunningham also served on the boards of Clark University (today Clark Atlanta University, a historically black college and university [HBCU]) and Warren Memorial United Methodist Church in Atlanta.