John Jeffrey McCullough, MD

Title: Professor Emeritus
Company: Department of Laboratory Medicine and Pathology, University of Minnesota
Location: Scottsdale, Arizona, United States

John Jeffrey McCullough, MD, Professor Emeritus at the Department of Laboratory Medicine and Pathology at the University of Minnesota, has been recognized by Marquis Who’s Who Top Doctors for dedication, achievements, and leadership in laboratory medicine and pathology.

Growing up, Dr. McCullough expected to pursue a career in engineering or medicine, inspired by an uncle who owned a pharmacy and a physician cousin. He initially majored in engineering but quickly realized that he did not enjoy calculus and physics, and changed his major to prepare for medical school. He earned a Bachelor of Arts from Northwestern University in 1959 and received his Doctor of Medicine from The Ohio State University in 1963. Dr. McCullough began his career at a practice specializing in clinical pathology and blood transfusion in Minneapolis, Minnesota. In 1978, he became a professor in the Department of Laboratory Medicine and Pathology at the University of Minnesota, where he taught until being granted emeritus status in 2016.

A highlight of Dr.McCullough’s career was when his friend and colleague Dr. John Hanson completed the first successful bone marrow transplant between two unrelated individuals. After proving the efficacy of the procedure, the two created the first bone marrow donor registry, the National Merit Donor Program, which has facilitated transplants for over 80,000 patients since its establishment. As a testament to his success, Dr. McCullough has received myriad accolades, including a Service Award of Appreciation from the Afganistan National Blood Safety and Transfusion in 2012, the Tibor Greenwalt Memorial Award and Lectureship in 2007, and a Meritorious Service Award for his work as the editor of the journal Transfusion in 2002.


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