Seaghan Mac an tSionnaigh is the current Irish Fulbright FLTA at the University of Notre Dame, Indiana, having previously taught at the University of Limerick, and at Concordia University, Montreal. He began his academic career at Mary Immaculate College where he graduated with a first-class honours degree in the Liberal Arts in 2009 and later went on to write his Master’s thesis on Irish lexicography – this was published by Coiscéim under the title Focail agus Foclóireacht T. O’Neill Lane (2013). In July 2017 he completed a successful defense of his PhD thesis after having spent three years living in the West Kerry Gaeltacht region, and a publication based on his doctoral research through An Sagart is forthcoming.