Dr. John Walker is a gastroenterologist with nearly 30 years of experience in the medical field, including almost 20 years of experience in practice. He received his medical degree from State University of New York Upstate Medical University, where he graduated with honors.
Dr. Walker has served as Nature's Lab's trusted Chief Medical Science Advisor since January 2014. Formerly, he was the Chief Medical Advisor for Cornerstone Health Care in High Point, NC. His clinical and practice experience includes notable hospitals, science centers and veteran medical centers where he has practiced as a partner, attending physician and other important medical roles. Dr. Walker also serves as a director for Citra Health Solutions as well as a Chief Operations Office for S&S Healthcare, among other leadership roles.