Stamma has launched a campaign aiming to challenge the public's perceptions of stammering.
While people with stammers (which make up 1-3% of the population) are often perceived as "less confident" and "less able", the ad showcases celebrities such as Ed Sheeran and Emily Blunt who have had to "get rid of" their speech impediments.
Stamma removed all phrases from Wikipedia which talked about stammers in a negative or damaging way, with the ad concluding: "There shouldn’t be shame in having a stammer."
The campaign includes out of home and social activity, as well as a film narrated by actor, podcaster and hip-hop icon Scroobius Pip, a fellow stammerer. Stamma has also created a list of editorial guidelines for people to use when discussing stammering.
It was created by Dan Liakh and Josh Croston, and directed by Chris Daw through Scissors & Glue.