Peter Aschenbrenner Vice President, Marketing Peter Aschenbrenner is SunPower's vice president, marketing, having served as vice president of sales and marketing since June 2003. Prior to joining SunPower, Mr. Aschenbrenner was senior vice president of global operations at AstroPower, Inc., a solar product manufacturing company. Mr. Aschenbrenner has over 25 years of solar industry experience, including management positions at Siemens Solar, PV Electric GmbH, and ARCO Solar. sunpowercorp