Dr Olwen Williams - meddyg ymgynghorol sydd wedi gweithio ym maes Iechyd Rhywiol a meddygaeth HIV yng Ngogledd Cymru ers dros 30 mlynedd. Ar hyn o bryd mae hi ar secondiad i Addysg a Gwella Iechyd Cymru fel Cyfarwyddwr Cyswllt Arweinyddiaeth Glinigol. Hi yw Cadeirydd Academi'r Colegau Brenhinol yng Nghymru.
Dr Olwen Williams is a consultant physician who has worked in the field of Sexual Health and HIV medicine in North Wales for over 30 years. She is currently seconded to Health Education and Improvement Wales as Associate Director of Clinical Leadership. She is Chair elect of the Academy of Royal Colleges in Wales.