"This book is theoretically sophisticated, empirically rich, and missiologically wise—an outstanding contribution to contemporary missiology. This is the single best missiological treatment of ethnic identity in relationship to Christian conversion currently available."
—Robert J. Priest, Professor of Mission, Anthropology, and International Studies, Trinity Evangelical Divinity School

"Christofferson's Negotiating Identity is a significant contribution to the exploration of the complex reality of human identity as it relates to mission theory and practice. Contextually grounded in northwestern Taiwan, Christofferson's study offers insights to mission scholars and practitioners in other settings."
—Tite Tienou, Dean and Professor of Theology of Mission, Trinity Evangelical Divinity School

"Negotiating Identity is a treasure for any missionary seeking to understand the nuances of a complex culture. His findings show ethnic identities are often more varied than sometimes thought, and he has courageously done the missionary community a great service by pointing out the limits of the homogeneous unit principle. This study is highly recommended for any missionary serious about understanding the people to whom he seeks to minister."
—Joel Nordtvedt, Missionary to Hakkas in Taiwan for twenty years.

"Focusing on the Hakkas in northwest Taiwan, Christofferson finds the traditional 'people group' lens insufficient to understand the tensions of being Hakka and being Christian. Through interviews with thirty-six cultural informants, Christofferson identifies the fixity and fluidity of the way Hakkas think and act. This study effectively moves beyond a static understanding of ethnicity to, in the conclusion, providing insights and recommendations for ministry in a globalizing world of hybrid ethnic identities."
—Richard R. Cook, Associate Professor of Church History and Missions, Logos Evangelical Seminary