Glenn is a 25 year radio broadcast veteran. A Chicago native, Cosby entered broadcasting as a grade school sports intern in the late 70’s at WBMX. In the early 80's Cosby was a student at Bishop College in Dallas TX and worked for KNOK-FM (formerly owned by Earl Graves of Black Enterprise Magazine) where he developed as air personality. He became the youngest operations manager at ABC Radio Networks at age 26. At ABC, Glenn launched America’s first 24-hour urban adult syndicated format, "The Touch," in 1990. "The Touch" was the first nationwide music format to register #1 ratings (Adults 25-54) in New Orleans at affiliate KMEZ. Cosby first launched "The Touch" in 1990 with 26 affiliate stations. By the time he resigned for family reasons in 1996, the total affiliate count was nearly 80 stations.