RANCHO SANTA MARGARITA, CA – Valor Computerized Systems today named Dan Weitzman president of its Americas operations. Weitzman has more than 11 years’ experience in software sales and management and has been interim president for Valor Americas for the past six months.  Prior to joining Valor in 1999, Weitzman held various sales and marketing positions at Viewlogic Systems and VeriBest Corp. He holds a bachelor’s from the University of Massachusetts at Amherst.