John was born in, Dublin in 1956. He graduated from Dun Laoghaire College of Art in  1978.

He quickly established himself as a meticulously naturalistic painter, specialising in seascapes particularly around Dublin Bay, but has also painted seascapes in other parts of Ireland
John has exhibited in leading galleries both at home and abroad  since 1982. These  include, The Oisin Gallery, The Lincoln Gallery, The Origin Gallery ,The Molesworth Gallery and the Art Club of Washington USA.

His work is held in collections at home and abroad, including the  Bank of Ireland, Dept. of the Environment, OPW,  IAWS Ltd., O’Flaherty Holdings and Moya Doherty & John McColgan.