Ph.D. in Economics, The University of Nairobi, 2014. Associate Professor of Development Studies and Director of WCIU’s Master’s in Development Studies Program.

Ph.D. in Theology, The University of Auckland (New Zealand), 2006. Professor of Urban Leadership and Director of WCIU’s Institute for Transformational Urban Leadership.

Ph.D. in Intercultural Studies, Asbury Theological Seminary, 2008. Associate Professor of Intercultural Studies and Director of China Studies Institute.

Ph.D. in Intercultural Studies, Asbury Theological Seminary. Director of the Ralph D. Winter Research Center, researcher, educator, and church mission consultant.

Ph.D. in Educational Studies, Trinity. Director of the Women’s Institute, global missions leader, award-winning author, and board chair for Operation Mobilization.