Joe Walker first exhibited at Living Arts Exhibition in the Guinness Hop Store, Dublin and S.A.D.E. Crawford Municipal Gallery, Cork in 1987. He began collaborating and exhibiting with his brother Pat as ‘Walker and Walker’ in 1989. They subsequently have exhibited widely both nationally and internationally. In 2005, they co-represented Ireland at the 51st International Venice Biennale with their film installation Nightfall. They have received several Arts Council of Ireland Bursaries and Awards and are represented in The Arts Council of Northern Ireland art collection.