Protopresbyter Dr Doru Costache lectures in Patristic Studies at various member institutions of Sydney College of Divinity, Australia. He is a member of the scientific board of the Institute for Transdisciplinary Studies in Science, Spirituality and Society, Bucharest, and is a member of the International Association of Patristic Studies, Paris. Reverend Professor Darren Cronshaw serves as Head of Research and Professor of Missional Leadership at the Australian College of Ministries at Sydney College of Divinity and Mission Catalyst-Researcher at the Baptist Union of Victoria. He is also an Honorary Research Fellow at Whitley College at the University of Divinity, Adjunct Professor of Swinburne Leadership Institute at Swinburne University, and Pastor of AuburnLife Baptist Church in Melbourne, Australia. Professor James R. Harrison is Research Director at the Sydney College of Divinity and an Honorary Associate of the Ancient History Department at Macquarie University, Australia. Formerly, he was Head of Theology at Wesley Institute from 2002–2012, teaching the New Testament and Greek.