Speakers

Christian author and speaker Doug Batchelor has experienced great extremes. His journey from anti-social, drug-using hermit to soul-winning evangelist has helped shape him into an engaging, popular speaker whom audiences all over the world can identify with and understand clearly even on the most complex Bible topics. His primary ministry is Amazing Facts – a worldwide television and radio broadcast ministry based in Sacramento, California. He also pastors the Sacramento Central Church.

Pastor John Bradshaw is the president of It Is Written. A former radio broadcaster, he became a Christian as a young adult and served as an evangelist and church pastor before joining It Is Written in January 2011. He has held more than 100 evangelistic series, sharing God’s word on six continents.

John has filmed It Is Written programs in almost 30 countries, which along with his daily devotional, Every Word, and other It Is Written programs are viewed around the world.

Mark A. Finley is the former speaker/director of It Is Written (from 1991–2004), for which he traveled around the world as a televangelist and spoke on the weekly television show. He has authored over 71 published books.

Charles Decatur “C. D.” Brooks became a renowned evangelist, media pioneer, and respected spiritual leader in the Seventh‑day Adventist Church. Over a ministry spanning six decades, he impacted multitudes through dynamic preaching, groundbreaking work in religious broadcasting, and an unwavering dedication to gospel truth and justice. In 1974, Brooks became the founding speaker and director of Breath of Life Ministries, a television ministry focused on reaching African-American audiences. His influence endures through leadership centers bearing his name, preserved recordings of his messages, and the countless lives transformed by his ministry.

Dr. James L. Marcum, is a board-certified cardiologist practicing in Chattanooga Tennessee, and has been named by USA Today as one of the most influential physicians in his field. He is the author of The Ultimate Prescription and Medicines That Kill, as well as an in-demand speaker for his role as the director of Heartwise Ministries. Currently, his radio program, Heartwise, airs on more than 400 radio stations across the nation. Dr. Marcum also hosts the health program The Heart of Health Live!, which can be seen on secular and Christian television.

Neil Nedley, M.D., is a full-time practicing physician in Internal Medicine with emphasis in Gastroenterology, Mental Health, Lifestyle Medicine, and the difficult-to-diagnose patient.

Dr. Nedley is the author of the book Proof Positive: How to Reliably Combat Disease and Achieve Optimal Health through Nutrition and Lifestyle, now in its fourth printing. It tackles  many diseases, providing common-sense nutritional and lifestyle therapies that can make a substantial difference in the treatment and/or prevention of these common conditions.

Dr. Diehl saw the amazing results of lifestyle intervention at the renowned Pritikin Longevity Center where he served as research and education director. Inspired to make better health accessible to the masses, he developed an affordable, community-based program designed to arrest and reverse society’s most common chronic diseases. Today, over 85,000 participants and clinical results published in 45 peer-reviewed scientific journals attest to the success of Dr. Diehl‘s approach. His co-authored books Health Power, the Optimal Diet Cookbook, Take Charge of Your Health, and You-Turn have been translated into 36 languages with a circulation of over two million. He was a clinical professor of Preventive Medicine at Loma Linda University and was on the Board of Advisors of the American College of Lifestyle Medicine before his passing in 2023.

From 1993 to 2008, Lonnie Melashenko was speaker/director for the Voice of Prophecy, the world’s second-oldest religious broadcast. He began working with the radio ministry in January 1989, serving as announcer while continuing as senior pastor of a 1400-member church in Paradise, California. He was associate director/speaker from May 1991 through December 1992, and upon the retirement of H. M. S. Richards Jr. became speaker/director on January 1, 1993.