Diana Rigg, BA, BEd, CPP-Dyslexia, MEd, M Sp Path (Director). Ms Rigg is a speech pathologist with 25 years as a consultant equipping teachers with quality structured synthetic phonics programs to maximise the literacy outcomes for children. (trained at, degree, work experience)  Her role is to assist Bhutanese authorities to introduce modern teaching methods to enhance the reading, spelling and writing of all young people of Bhutan.