Information for Hester Grainger - ADHD Unmasked at New Theatre, Cardiff (Talk). ADHD speaker, coach, former Wright Stuff TV presenter and late diagnosed ADHDer. The evening promises open conversation, laughter and a refreshingly honest look at life with ADHD. It's perfect for those with ADHD, whether diagnosed or not, supportive friends and family, or those who want to learn more about ADHD brains.