Dr Boehle has worked for international, interreligious organisations and participated in seminars and conferences in many parts of the world. He helped to organise major conferences and summits addressing inter-religious, inter-cultural and inter-civilisational issues, including a Symposium at UNESCO headquarters in Paris on Unity in Diversity: Ethical and Spiritual Visions for the World in November 2000 and the High-level Dialogue on Interreligious and Intercultural Understanding and Cooperation for Peace of the UN General Assembly in October 2007.
He is the Director of the Charter for Forgiveness and Reconciliation Project.
As part of his research he participated, for example, in the Millennium NGO Forum at the United Nations in May 2000; the Millennium World Peace Summit at the UN in August 2000; the Conference on Interfaith Cooperation for Peace in June 2005 at the UN; the High-level Dialogue on Interreligious and Intercultural Understanding and Cooperation for Peace of the UN General Assembly (2007); the first, second, fourth and fifth Alliance of Civilizations Forum in Madrid (2008), Istanbul (2009), Doha (2011) and Vienna (2013); the Universal Ethics Summit in South Korea in 2010, and in annual meetings of the Academic Council on the United Nations System (ACUNS).