Immaculée Ilibagiza is a survivor of the 1994 genocide in Rwanda, which claimed nearly one million Rwandans, including her entire family.

Christianity could be defined as a “cold case”: it makes a claim about an event from the distant past for which there is little forensic evidence.

Steve Goold is a professional drummer and educator, currently working full-time with Grammy-nominated singer/songwriter Sara Bareilles.

Before becoming a world-renowned biographer of Christian literary figures, Joseph Pearce was a leader of the National Front, a British white-supremacist group. After being imprisoned twice for hate speech in the 1980s, he converted to Christianity—transformed from a racist radical to a joyful Christian.

Donald Miller is the founder of Storyline, an organization that helps people live better stories. He is the author of several books, including New York Times Best Sellers Blue Like Jazz and A Million Miles in a Thousand Years.

Nadia Bolz-Weber is the founding pastor of House for All Sinners and Saints, a Lutheran church in Denver, Colorado. She’s a leading voice in the emerging church movement.

Leonard Sax is a medical doctor who also holds a PhD in psychology. He practiced primary care medicine in the suburbs of Washington DC for 19 years before turning his focus to child and adolescent development. Since then, he has spoken on issues of child development throughout the world.

Glennon Melton is the nationally known blogger of Momastery.com and author of Carry On, Warrior. Fresh each morning she starts her recovery from bulimia, alcoholism, and a vanity so gripping it’s caused her to be attacked by Botox several times.

Ross Douthat is an American author, blogger and New York Times columnist who writes about politics, religion, moral values and higher education.

Phil Vischer is the creator of VeggieTales, the hugely popular animated series featuring Bob the Tomato and Larry the Cucumber.