After college graduation, John started his career as a gallery owner in El Paso, TX. The following year, he was recruited by Region IV Education Service Center in Houston to develop teaching aids for HISD. Following a stint as a promotional artist for the Houston Chronicle, he joined the UTSD team in the Medical Illustration Department. John was in the pilot program developed by UTHSC and affiliated schools that trained individuals to become instructional media specialists.
John is currently completing his forty-second year at UTSD.