Dr. David Murphy teaches military history and strategic studies at Maynooth University in Ireland. He is a graduate of University College, Dublin, and Trinity College, Dublin, and has taught at both of these institutions, teaching electives on European and Irish history as well as military history and the history of polar exploration. He has lectured at various institutions, including the Royal Military Academy (Breda, the Netherlands), the United States Military Academy (West Point, New York), and the United States Army Command and General Staff College (Fort Leavenworth, Kansas).

Dr. Murphy was a major contributor to the Dictionary of Irish Biography while also publishing numerous articles and books. These include Lawrence of Arabia (2011), and Breaking Point of the French Army: The Nivelle Offensive of 1917 (2015). He is a member of the Royal United Services Institute, which is dedicated to cutting-edge research on security, defense and international affairs. Dr. Murphy is also an external examiner for King’s College, London. In 2018, Dr. Murphy was elected a fellow of the Royal Historical Society (UK).  In 2018–2019, he was a visiting fellow with the Changing Character of War Programme at Oxford University. Dr. Murphy has led tours and staff rides through many WWI and WWII battlefields, including the Somme, Ypres, Gallipoli, Normandy, Arnhem, Bastogne, and Sicily.