PHOENIX--(BUSINESS WIRE)--ON Semiconductor (Nasdaq: ON), driving energy efficient innovations, has announced that company executives will present at the following investor conferences. Citi Technology Conference – Thursday, Sept. 10, 2015, in New York City, NY.Bernard Gutmann, ON Semiconductor executive vice president and chief financial officer (CFO) will present. Deutsche Bank Technology Conference – Thursday, Sept. 17, 2015, in Las Vegas, NV.Keith Jackson, ON Semiconductor president and chie