Mullan facilitated a residency in Ireland for Choctaw Artist, Waylon Gary White Deer, during which Waylon created an exhibition he called ‘The Carrigaholt Collection’, after the village in Co. Clare where he spent three months painting.
Mullan negotiated with the American Ambassador to Ireland, Jean Kennedy Smith, the hosting of the exhibition at the US Embassy. The exhibition was later welcomed to the Bank of Ireland Exhibition gallery on College Green, Dublin 2.
Mullan also arranged for Waylon to appear on the Late late Show with Gay Byrne. White Deer was later to state that it was the most successful exhibition of his career.