Zdravko Plantak, specializes in ethics and is the chair of the Department of Religion at Washington Adventist University. He served as President of the Adventist Society for Religious Studies in 2009. A lecturer in many national and international gatherings on ethics and theology, Plantak is the author of The Silent Church: Human Rights and Adventist Social Ethics, published by Macmillan Press (UK). His topic : “The Leaves are for the Healing of the Nations: Repairers of Broken Walls and Restorers of God’s Justice.”