Mark shared studio 468 with artist Pat Curran where they hosted a public open studio connecting with local people and groups in the Rialto area. During his time in studio 468, Mark focused on making artworks which led to a joint exhibition with Pat, THIS CITY LIFE, in Ballyfermot Library in July 2018.

Mark Holburn studied as a mature student at NCAD, graduating with a BFA in June 2015 from the Fine Art Faculty. He has facilitated workshops in a number of contexts including with students at NUI Maynooth and the Recreate recycling centre at Ballymount, Dublin.