MATTHEW SLEETH, MD, a former emergency room physician and chief of the hospital medical staff, resigned from his position to teach, preach, and write about the biblical call to be good stewards of the earth. A highly sought-after speaker, Dr. Sleeth has spoken at more than 1,000 churches, campuses, and events, including serving as the monthly guest preacher at The Washington National Cathedral for a year. Recognized by Newsweek as one of the nation's most influential evangelical leaders, Dr. Sleeth is a graduate of George Washington University School of Medicine and has two postdoctoral fellowships. He is the executive director of Blessed Earth and author of Serving God, Saving the Planet; 24/6; the introduction to The Green Bible, as well as numerous creation care books and articles. Dr. Sleeth lives in Lexington, KY, with Nancy, his wife of nearly 40 years.