Professor J. Carl Hughes: Professor of Educational and Behavioural Research and Executive Director, CIEREI Institute of Education Research, Bangor University.
Yr Athro J. Carl Hughes: Athro Addysg Ymddygiadol & Ymchwil, Cyfarwyddwr Gweithredol, Sefydliad Ymchwil Addysg CIEREI, Prifysgol Bangor.