1989–1990 Tshenuwani Simon Farisani, Dean of the Devhula Circuit of the Evangelical Lutheran Church in South Africa
1990–1991 George Tinker, Associate Professor of Cross-Cultural Ministries, Iliff School of Theology, Denver, Colorado
1992–1993 Christine E. Gudorf, Professor of Theology, Xavier University
1993–1994 Murray Ebner, Holocaust Survivor
1994–1995 The Rev. Dr. Theodore Peters, Theologian
1995–1996 Nashilongo K. Elago Shivute, Director of the Department of Women's Affairs in Namibia (BA Wittenberg, 1982)
1996–1997 The Rev. Dr. Theodore G. Luck, Systematic Theologian
2006-2007 Festival Choral Eucharist for the Reformation, The Rev. Dr. Callon W. Holloway Jr., Bishop of the Southern Ohio Synod, Preaching