Integrated power solutions provider Enpirion Inc. of Bridgewater, N.J., has hired Paul Greenland as its vice president of marketing. Greenland has more than 25 years of experience in power management circuit design, applications and marketing. Prior to joining Enpirion, Greenland was director of strategic marketing at National Semiconductor Corp., and before that, he directed strategic marketing and system engineering for the analog division of On Semiconductor. He also ran the power management business unit at Allegro Microsystems Inc. Greenland has authored numerous articles and white papers and is a speaker at conferences including Power Systems World, PCIM-Europe, APEC, Intelec, ISPSD, Power-UK and the IEE colloquium on power electronics.