Dr Calvert brings a wealth of experience to the role, having served as Medical Director and Deputy Chief Executive at Aneurin Bevan University Health Board.
Daw Dr Calvert â chyfoeth o brofiad i'r rôl, ar ôl gwasanaethu fel Cyfarwyddwr Meddygol a Dirprwy Brif Weithredwr ym Mwrdd Iechyd Prifysgol Aneurin Bevan.