Roberts Liardon is an author, public speaker, spiritual leader, church historian, and humanitarian. He was born in Tulsa, Oklahoma. He was the first male child born at Oral Roberts University, and he was named in honor of the university's founder. He is a well-known author and public speaker, and his books have been translated into more than fifty languages. Roberts has written more than fifty books, and he has ministered in over 112 countries.

Olly Goldenberg has been ministering to children and young people for over twenty years. For many years he led a children's ministry that grew to be one of the largest in Europe. He now works with his wife, Helen, to lead Children Can, a ministry that equips leaders and inspires churches that children can do all things through Christ. Through their ministry thousands of children have fallen in love with Jesus, and gone on to do incredible things for him. He is the author of several books.