Bill Greer began his electronics career in 1966 as a Radio Relay Repairman in the United States Air Force, later servicing ground-based navigational aids to aircraft.  In 1972 he was Production Supervisor in the manufacture of the world's first electronic golf scoreboard — using an Intel 4004 for control.  After that he worked in cathodic protection then in office equipment repair until becoming National Service Manager for a line of calculators and cash registers.  Following a stint as a Field Service Engineer in the wafer fabrication industry, he taught electronics and math for several years before joining Contemporary Controls in June 2000.