Jennifer O'Neill

Internationally Acclaimed Actress, Christian & Pro-Life Advocate

Mike Skupin

Contestant on CBS' "Survivor -- The Australian Outback"

Clayton King

Pastor, Founder & President of Clayton King Ministries

Nina Dobrev

Canadian Actress & Model; Best Known for "The Vampire Diaries" and "Degrassi"

Monica Martinez

Education Advocate, Author & Strategist; Speaker on Innovation, Teaching, Learning, and Education Policy

James McPherson

Acclaimed Civil War Historian & Author

Bethany Hamilton

Professional Surfer & Shark Attack Survivor; Inspiration for the Film "Soul Surfer"

Neil Blumenthal

Co-Founder & Co-CEO of Warby Parker

Antonio Villaraigosa

41st Mayor of Los Angeles

Dr. Francis Collins

Head, Molecular Genetics Section, National Human Genome Research Institute; 16th Director, National Institutes of Health

Dr. Francis Collins: "I don't see a conflict" between science and faith ...

Juliet Schor

Professor of Sociology at Boston College

Harvey Mansfield

Political Philosopher, Author & Distinguished Professor

Josh McDowell

Christian Apologist, Evangelist & Best-Selling Author

Jessica Robertson

Star, A&E's "Duck Dynasty"

Jep Robertson

Star, A&E's "Duck Dynasty"

Christine Caine

Inspirational Christian Speaker, Anti-Human Trafficking Activist & Author

Tom Nelson

Author and President of Made To Flourish

Naveen Jain

Founder & CEO of Viome; Founder of Moon Express

David Cook

Peak Performance Coach & Author

Jackson Galaxy

Host, "My Cat from Hell" & Author, "Cat Daddy: What the World's Most Incorrigible Cat Taught Me About Life, Love, and Coming Clean"