Mark Gargan was elected to the Council of the Institute of Certified Public Accountants in Ireland (CPA Ireland) in April 2016. 

Mark graduated in Accounting & Finance from Dublin Business School in 1995. A CPA since 1999, he has spent over 20 years in practice and is currently a Partner in Niall Byrne & Company. The practice has been in existence since 1984 and carries out all aspects of general practice work.

He has also represented CPA Ireland on the CCAB-I Business Law committee since September 2007.