For over thirty-five years, Ravi Zacharias has spoken all over the world in great halls and universities, notably Harvard, Princeton, and numerous universities internationally. He is listed as a Senior Research Fellow at Wycliffe Hall, Oxford university. He has appeared on CNN and other international broadcasts. The author of several books for adults and children, he powerfully mixes biblical teaching and Christian apologetics. His most recent works include Walking from East to West, a memoir; The Grand Weaver, an exploration of God's intention in both the ordinary and the startling elements of life; and The End of Reason, a rebuttal of the claims of the so-called New Atheists. His weekly radio program, Let My People Think, is broadcast on 1,692 stations worldwide, and his weekday program, Just Thinking, is on 412. He is founder and chairman of the board of Ravi Zacharias International Ministries, headquartered in Atlanta, Georgia, with additional offices in Canada, Hong Kong, India, Singapore, the United Kingdom, and the United Arab Emirates. Dr. Zacharias and his wife, Margie, have three grown children and reside in Atlanta.