Ravi Zacharias is founder and president of Ravi Zacharias International Ministries (RZIM). Through evangelism undergirded by apologetics, RZIM seeks to reach those who shape the ideas of a culture with the credibility of the gospel of Jesus Christ. Zacharias is the author of more than 20 books, including his new Jesus Among Secular Gods, co-authored with Vince Vitale. His radio programs, Let My People Think and Just Thinking, are aired on stations worldwide. You can follow him on Twitter.