KeumJu Jewel Hyun is founder and president of Matthew 28 Ministries, Inc., focusing on Christian women's leadership development and economic empowerment in Kenya. She is adjunct professor of Theology of Work at Bakke Graduate University and co-editor of Some Men Are Our Heroes: Stories by Women about the Men Who Have Greatly Influenced Their Lives. Jewel holds a Master of Arts and a Doctor of Ministries degree from Gordon-Conwell Theological Seminary, South Hamilton, Massachusetts, as well as a Master of Science degree in Nuclear Physics from Yonsei University, Seoul, Korea. She and her husband have two adult children and four grandchildren.
Diphus C. Chemorion, an ordained minister, is director of Postgraduate Studies and Associate Professor at St. Paul's University, Kenya. He is the author of Community Participation in Scripture Version Design: An Experiment in Translating Jonah into Sabaot and Introduction to Christian Worldview: Meaning, Origins and Perspectives. He also co-edited Contested Space: Ethnicity and Religion in Kenya. He holds a Master of Theology from Candle school of Theology, Emory University, and a Doctor of Theology in Old Testament from Stellenbosch University, South Africa.