Dr. McCullough is an internist, cardiologist, epidemiologist holding degrees from Baylor University, University of Texas Southwestern Medical School, University of Michigan, and Southern Methodist University.  Dr. McCullough has broadly published on a range of topics in medicine with > 1000 publications and > 700 citations in the National Library of Medicine.  Dr. McCullough is a well-known public figure in medicine and is a frequent contributor on numerous mainstream and independent media platforms.  He has testified multiple times in the US Senate, US House of Representatives, European Parliament, and many state capitals concerning public health policy.