The U.S. telecommunications company says Crull will become its chief marketing officer at the end of May.
In that job, Crull will be responsible for Sprint's advertising and marketing and all social media efforts.
Sprint's president and CEO, Marcelo Claure, says in a statement that Crull's experience at Bell Media will help the American telecom company provide unique content to its wireless customers.
Until his departure on April 9, Crull had been head of one of Canada's biggest media operations, which includes the CTV television network, a variety of specialty television channels and a radio network.
He had been criticized publicly for attempting to limit the amount of air time that CTV News gave to the head of the Canadian Radio-television and Telecommunications Commission, which regulates Bell Media and its parent BCE Inc. (TSX:BCE).