John Cloonan qualified with a Diploma in Architectural Technology in 1995 and is a Chartered Member of the Chartered Institute of Architectural Technologists (CIAT).  In 2012 John was awarded a Post Graduate Certificate in Digital Analysis and Energy Retrofit (PG Cert DAER) from DIT. He had worked in private practice with Michael Ahearne & Associates Ltd. for over 17 years where he headed up the Architectural Technology department prior to setting up his own practice.  In April 2013, John joined CJ Falconer & Associates, Chartered Architects & Planning Consultants, in Waterford as a Chartered Architectural Technologist.

John has been an active member on the Republic of Ireland Centre Committee of CIAT, an international representative body for Architectural Technologists and Technicians since 2007, and currently holds the position of Centre Committee Secretary.

John was a member of the National Building Specification (NBS) Advisory Panel in the UK between 2011 and 2013 and is also a member of the NBS beta programme.