Complex sentence: The station was conceived by its Chief Engineer, "Warren Exmore"--a child prodigy earning his FCC Engineering license while still a teenager--who served as an electronics and computer instructor at Piper High School.
Split into simpler sentences: The station was conceived by its Chief Engineer, Warren Exmore, who earned his U.S. Federal Communications Commission (FCC) Engineering license while still a teenager. He served as an electronics and computer instructor at Piper High School.