Professor Michael Fitzgerald was the first Professor of Child and Adolescent Psychiatry in Ireland specialising in autism spectrum disorders (ASDs). He has diagnosed more than 5000 persons with ASDs. He has written many peer-reviewed publications and authored, co-authored, and co-edited thirty-four books, some of which have been translated into Japanese, Dutch, and Polish. Professor Simon Baron-Cohen, world-renowned expert in clinical psychology and professor of developmental psychopathology at the University of Cambridge, described one of Professor Fitzgerald’s books on autism as, ̔the best book on autism̕ and described him as an ̔exceptional scholar̕. Professor Fitzgerald has lectured extensively throughout the world, including at the Royal Society/British Academy and the British Library in London. He was the overall winner of the Excellence in Psychiatry̕ Award in 2017 and was nominated as one of the top four psychiatrists by Hospital Professional News Ireland. Professor Fitzgerald recently retired to spend more time in Brussels and continues to write on autism.