Sigve Tonstad is a pastor and internal medicine physician with a special interest in diabetes. He has a B.A. in Theology from Middle East College, Lebanon, and Andrews University, Michigan; an M.A. in Biblical Studies from Loma Linda University, California, where he also got his medical degree; and a Ph.D. in New Testament Studies from the University of St. Andrews, Scotland, having his doctrinal dissertation, Saving God’s Reputation, published in 2006 by T. & T. Clark. In 2009, Andrews University Press published his book The Lost Meaning of the Seventh Day. He is an Associate Professor of Religion at Loma Linda University. His wife, Serena, also a physician, is an expert in the three biggest concerns of preventive medicine: smoking, metabolic disease, and lipids.