Ronan joined O’Brien Harnett & Associates in 1999 as a trainee accountant having previously worked in industry. He qualified as a CPA in 2004 and a QFA in 2009.
After he qualified as a CPA Ronan joined Ernst and Young working in their technology and security risk services department. He then re-joined O’Brien Harnett as an audit manager, subsequently becoming partner. Following the merger of O’Brien Harnett & Associates and Sherry McNabola Murray & Co, Ronan is now a partner in Walsh O’Brien Harnett.Back to all