Dr Tom Sine is a futurologist, who specialises in assisting Christian churches and organisations to face coming challenges and opportunities. He is the author of a number of successful books, most recently Mustard Seed V. McWorld, which is just about to go into its third UK printing. Dr Christine Sine is a medical doctor who set up the medical work aboard the YWAM mercy ship Anastasis. She is author of Confessions of a Seasick Doctor (Monarch). The Sines live in Seattle, Washington, and are frequent visitors to the UK.