I have a terrible stutter, mainly interiorised (covert) and comes in the form of severe blocking but I work for a film production company and regularly have to do voice over work, videos, meetings and most recently starred in a feature film (I wont advertise it as that's not the point in this post). I know your struggles very well so please don't let it hold you back or let it define who you are. Get in touch if you fancy a chat or anything.