Brendan Larvor is a researcher at the University of Hertfordshire. He specializes in the history and philosophy of mathematics and science. He is a member of the Humanist Philosophers Group.

Harvestime International Network is a non-denominational Christian organization committed to recruiting, training, motivating, and mobilizing a network of international harvesters.

Evangelical Theological Society is a professional, academic society of Biblical scholars, teachers, pastors, students, and others involved in evangelical scholarship. 

BlackandChristian.com is a voice for the African-American Christian community that provides educational resources on Christianity to help members and believers spread the message of Jesus Christ. 

The Center for the Study of Global Christianity by the Gordon-Conwell Theological Seminary is a research organization dedicated to analyzing data on church membership, evangelistic activities and other nondenominational, Christian-related practices around the world. Todd Johnson is executive director.

Peter J. King is a Stipendiary Lecturer in Philosophy at Pembroke College at the University of Oxford. His research interests include metaphysics, philosophy of religion and ethics. He is a member of the Humanist Philosophers Group.

The Center for Public Justice is a Christian-democratic organization dedicated to public policy research, leadership development, and civic education.

Alan Haworth is a political philosopher based at the Human Rights & Social Justice Research Institute, a London Metropolitan University Research Institute. He has written multiple books and is a member of the Humanist Philosophers Group.

Young Life Club is a non-profit, non-denominational Christian organization reaching out to teens with programs in some 450 communities in the United States and Canada and 36 countries overseas.