He is the owner of the Michelin starred restaurant Bon Appétit in Malahide, County Dublin.
From there he went on to work at other places, including the Peacock Alley, before he left for London.
In 2006, Dylan McGrath took over the spadle when Dunne bought Bon Appétit in Malahide.
[4][5][6] Besides his work at the restaurant, Dunne also acts as guest-chef for the Dublin Cookery School, an institution for cooking courses.
[8] In August 2013, Dunne received a negative review by Sunday Independent food critic Lucinda O'Sullivan of his restaurant Cleaver East, which had recently opened.