Born in Bangor and a graduate of University College, London and awarded a Masters Degree by the University of Wales, Rhys Rowlands practised as a Solicitor in private practice from admission in 1982 until being called to the Bar in 1986, following which he joined chambers as a pupil.

He is a senior prosecutor who also has a strong defence practice and is able to and does conduct trials in Welsh.

He regularly appears for the prosecution and defence in a number of high profile cases, including murder, rape and indecent assaults.

He has also been appointed by the Attorney General to undertake category A prosecution work for Government Departments.

He also undertakes licensing work and was appointed a Recorder in 2000.