Hamilton is Priest-in-Charge of St John the Evangelist Scottish Episcopal Church in Forres, Scotland. He previously worked as a researcher with the Glasgow End of Life Studies Group, at the University of Glasgow, where he continues to be an Honorary Research Fellow. Hamilton gained considerable clinical and teaching experience in palliative care while serving as a chaplain at the Christian Medical College, Vellore, India. He has participated in a number of Cairdeas projects in India focusing on curriculum development and professional skills development. Hamilton is married to Helen Grace (also an ordained minister) and has three young children.