Paul Reddick has left Sprint Nextel…Reddick served 10 years at the industry’s No. 3 carrier, holding VP positions in product, business development, innovation and strategy. He had long been rumored to be leaving Sprint Nextel, but the operator has yet to make a formal statement regarding his departure, reports RCR News. John Styers, Sprint Nextel’s general manager of mobile advertising, is also said to be leaving the carrier, the story said.