First Solar Inc., a Tempe, Ariz.-based manufacturer of photovoltaic modules, announced that TK Kallenbach has been appointed executive vice president of marketing and product management. Kallenbach comes to First Solar from Honeywell Aerospace, where he held senior leadership roles in strategic planning, product management and marketing communications. Kallenbach, who joined Honeywell (formerly AlliedSignal) in 1979, will assume his position at First Solar effective Dec. 14, 2009.