He received his undergraduate degree from the University of Georgia and Harvard University and his graduate degree from the London School of Economics, Northwestern University and the University Of Virginia School Of Law. Stewart was diagnosed on October 1, 2009 with prostate cancer and just one week later, on October 8, 2009 with non-Hodgkins high grade B-cell lymphoma. He is a survivor of both forms of cancer, which he attributes to the tremendous progress made in the oncology word and his great team of doctors.