Last remained with Amelco and for twelve years served as Vice President of Technology at Teledyne. In 1982, he founded Hillcrest Press specializing in art books.[90][106] After leaving Amelco, Roberts led his own business, and in 1973–1987 served as a trustee of the Rensselaer Polytechnic Institute.[107] Amelco, after numerous mergers, acquisitions, and renaming, became a subsidiary of Microchip Technology.