Director of the Maritime Archaeology Trust and Research Associate, University of York. As a practising maritime archaeologist for over 30 years, he has assisted in the development of the discipline in the UK. He has led many pioneering projects that have been concerned with archaeological practice, training, education, dissemination and capacity building. His area of expertise is submerged landscapes and shipwrecks, particularly in the English Channel, the Atlantic façade, the Mediterranean, the Red Sea and the Arabian Gulf. He has over 50 publications, has given hundreds of presentations and directed national and international, high level archaeological projects. He has represented UNESCO as a maritime archaeological expert in Europe, North Africa and the Middle East.