Prior to joining the SMU faculty, Les had a 26-year career in public schools, beginning as a foreign language teacher and culminating with an 8-year tenure as principal at Blalack Middle School in Carrollton-Farmers Branch ISD. Dr. Black joined SMU as an adjunct professor in 2009, teaching campus level law and ethics. Since that time, his teaching role within both the Accelerated School Leadership Program and the Educational Entrepreneurial Center has slowly expanded.