Thomas John Hastings is Executive Director of the Overseas Ministries Study Center (OMSC) in New Haven, editor of the International Bulletin of Mission Research (IBMR), and adjunct faculty at Yale Divinity School. He was formerly Senior Research Fellow at the Japan International Christian University Foundation in New York City; Director of Research, Associate Director, and Research Fellow at the Center of Theological Inquiry; and adjunct faculty at Princeton Theological Seminary. While serving with his wife, Carol, as Presbyterian Church (USA) Mission coworkers in Japan (1988–2008), he was a tenured faculty member at Hokuriku Gakuin University, Seiwa College, and Tokyo Union Theological Seminary. He is the author of Practical Theology and the One Body of Christ: Toward a Missional-Ecumenical Model (2007) and numerous articles, chapters, and translations in Japanese and English.