Henry D. Tazelaar, M.D., was educated at Calvin College and Rush Medical College, graduating with an M.D. in 1983. Residency and fellowships were completed at Stanford University, where he worked with Margaret Billingham, M.D., and Charles Carrington, M.D., and was on staff for one year. During this time, he developed a strong interest in the pathology of lung transplantation and did a National Institutes of Health fellowship in Dr. Billingham's laboratory, studying the pathology of heart and lung rejection.
Dr. Tazelaar joined the staff of Mayo Clinic in Rochester, Minn., in 1988. While in Rochester, he was heavily involved in quality and education initiatives and worked closely with Thomas V. Colby, M.D.; Jeffrey L. Myers, M.D.; and William D. Edwards, M.D.
In 2005, he moved to Mayo Clinic in Arizona, where he is currently chair of the Department of Laboratory Medicine and Pathology. He holds the rank of professor in the College of Medicine, Mayo Clinic.
He has been the president of the Pulmonary Pathology Society and authored more than 290 peer-reviewed publications on a broad range of neoplastic and non-neoplastic aspects of cardiopulmonary pathology. He is the co-author of "Thurlbeck's Pathology of the Lung" and the recently published "Neoplastic Mimics in Thoracic and Cardiovascular Pathology." He is a sought-after international speaker and teacher.