Culley was a founder member and chairman of Celtic Vision with the painters John Bellany and Denis Bowen, and participated in the group’s exhibition tour -European wide.1986-87-88. Selected Solo shows include “Five Years of Culley” The Royal Hospital Kilmainham,(now IMMA) Dublin Ireland,1989,Wolfson College Oxford 1989, “Golgotha” Liverpool Anglican Cathedral-2011, Tamh Lacht” RUA/RED Gallery-Dublin 2011, Golgotha’ Prayer Room IEC2012 International Eucharistic Congress RDS-2012 -. Editions Limited Liverpool Independent Biennial 2014. – The ATKINSON The Landing Gallery – Southport 2016. Sedition Ltd 2016
He took part in many other group shows including The London Group tour 1987; Celtic Vision Tour 1986/1987/1988. Modern Irish Painting, Dillon Gallery, 1995; and Skopje Museum of Contemporary Art, Republic of Macedonia, 1996. Art Cosmopolis RDS Dublin Ireland, FÍS 2008/9 CUC Liverpool. Kilkenny Arts Festival -Shankill Castle 2012 – Gallery Different –London 2012/13/14. Selected “What’s the Point!” London 2014.. Selected “MAC” Belfast 2014. Selected The Gallery Print Centre – Gallery Opening London 2015 – Selected Finalist Brisbane Art Prize 2015.