At the digital streaming startup, Collier will be in charge of the advertising and content.
In addition to overseeing the content for Roku's owned and operated channels, such as The Roku Channel, he will run Roku Media on a global scale.
He launched Studio Ramsay Global with famous chef Gordon Ramsay during his stint with the Fox linear network, which mostly followed the sale of the majority of 21st Century Fox to the Walt Disney Company. He was also in charge of acquiring Bento Box Entertainment and MarVista Entertainment.
Roku has been embracing original programming more and more. It bought the assets of the short-lived shortform service Quibi and engaged David Eilenberg, a former chief content officer at ITV America, to lead original content.
The company intends to substantially increase the number of original series and films in its pipeline by placing orders for about 50 such projects over the next two years.
Following the failed NBC series, it released its first feature film, Zoey's Extraordinary Christmas, in December.
This week, it announced intentions to give Panhandle, the Florida dramedy starring Nick Stoller and Carla Kettner, an exclusive second window following Spectrum Originals.