Dr. Walsh is an Irish born engineer, mathematician, and author. He has taught Mathematics and Systems Theory at Trinity College Dublin and the United Nations University. His doctorate in systems theory has led to many design assignments for large-scale information systems across Europe, USA, and Africa. His book IMPERFECTION deals with the role of imperfection in the physical world and in human affairs. His current interests include physics, metaphysics, and the inter-relationship between these two. He currently resides in the South of France. He plays church organ and classical piano.