The top people from Comcast, Steve Burke and Paul Telegdy came up to see me two months before I announced I was running, and they wanted me to do another two seasons of The Apprentice. Mark Burnett would call me constantly. I love Mark, special guy, and he said, 'Donald, you're turning down a primetime renewal. Do you know what you're doing?' I said, 'Mark, I want to run for president.'

Link

Source/Notes:
Interview with Janice Min, The Hollywood Reporter
August 19th, 2015
Hollywoodreporter.com