Mustapha Cham, 26, of Hunslet, became a member of the McGuire Programme in 2014. It is run by people who stammer, for people who stammer.
Mr Cham has since become a course instructor and will appear on ITV1 documentary School for Stammerers at 9pm tonight.
The University of Huddersfield student, who moved to Hemsworth from Gambia in 2004, said: “When I came I had a stammer and most of my peers at school thought it was the language barrier and it wasn’t.”
He added that the programme “shows how the four-day course works and how we help them overcome their stammer and the different techniques”.