US chipmaker Qualcomm on Tuesday announced that its CEO Steve Mollenkopf is retiring, ending his 26-year journey at the company. Mollenkopf, who will remain at Qualcomm as a strategic advisor for an undisclosed period of time, will be replaced by Qualcomm President Cristiano Amon. "I am immensely proud of all that we have accomplished at Qualcomm," Mollenkopf said.