Since 2016, Efa has been Chief Executive of the National Centre for Learning Welsh, the body funded by the Welsh Government to provide a strategic lead for Welsh for Adults learning in Wales.
Ers 2016 mae Efa yn Brif Weithredwr i’r Ganolfan Dysgu Cymraeg Genedlaethol, sef y corff a ariennir gan Lywodraeth Cymru i roi arweiniad strategol i’r maes dysgu Cymraeg i Oedolion yng Nghymru.