Mr Miles is a career officer with the Department of Foreign Affairs and Trade and was most recently Acting High Commissioner to Fiji and High Commissioner to Tuvalu for nearly three years. He has also served as Ambassador to Kuwait and Australia's Representative in Ramallah, with earlier postings in Amman and Riyadh. Mr Miles was a member of the Baghdad Embassy opening team in 2003 and served with the Peace Monitoring Group in Bougainville.
Mr Miles is a graduate of Deakin University and speaks Arabic. He is married with three children.