The chair, vice chair and independent members of the Board agreed to step down, and a number of direct appointments were immediately made to ensure board stability.
Cytunodd y cadeirydd, yr is-gadeirydd ac aelodau annibynnol o'r Bwrdd i gamu i lawr, a gwnaed nifer o benodiadau uniongyrchol ar unwaith i sicrhau sefydlogrwydd y bwrdd.