As Director at Dumbarton Oaks, Mullett was also the editor of
Dumbarton Oaks Papers. Previous to her position at Dumbarton Oaks, she was a Professor of Byzantine Studies and Director of the Institute of Byzantine Studies at the
Queen's University of Belfast and Director of the Queen's Gender Initiative. She is the author of
Theophylact of Ochrid: Reading the Letters of a Byzantine Archbishop, Variorum, 1997. Mullett was created an
Officer of the Order of the British Empire (OBE) at the
Queen's Birthday Honours 2006. Mullet's portrait is part of 'The Feast of Wisdom', a Byzantine style mural in Queen's University's former Institute of Byzantine Studies created by Colin McGookin. A portrait of Mullet was unveiled at
Queen's University Belfast and will hang in the university's Great Hall, alongside other luminaries of the university. == Bibliography ==