He gradually took over leading the proceedings of regional Gorseddau from 1814, when he was awarded the title of Druid.
In 1816 he opened a school in Merthyr Tydfil, where he worked as a schoolmaster until the end of his life.
He assisted with the publication of his father's work Cyfrinach Beirdd Ynys Prydain ("Mystery of the bards of the island of Britain") in 1829.
In 1834 he won the bardic chair at the Cardiff Eisteddfod with an awdl entitled Y Derwyddon (The Druids).
After his death in 1847 he was succeeded as Archdruid by Evan Davies (Myfyr Morganwg).