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.

Simon Gledninning is a Reader in European Philosophy and the Director of the Forum for European Philosophy at the European Institute at the London School of Economics and Political Science. He is a specialist on Europe, secularism, phenomenology, deconstruction and animal and human differences.

Eagle Forum is a socially conservative group founded in 1972 by Phyllis Schlafly dedicated to offering resources that promote conservative and religious qualities in American livelihood such as public policy, government, family integrity and private enterprise. 

Interfaithcalendar.org is an online organization dedicated to providing resources on multiple religions, including Christianity, Islam, Judaism and Sikhism. 

The World Council of Churches is an international fellowship of Christian churches, built upon the foundation of encounter, dialogue and collaboration. Marianne Ejdersten is the WCC communications director.

Nick Everitt is a philosopher and author. He previously taught philosophy at the University of East Anglia and now teaches for the Open University. His main research interest is the philosophy or religion. He is a member of the Humanist Philosophers Group and is the author of The Non-existence of God (Routledge 2004).