Dr. Delgado earned a Bachelor of Arts from the University of Austin in 1987, and a medical degree from the University of Texas Southwestern Medical School in Dallas in 1991. He completed a residency in internal medicine at The University of Texas Southwestern Medical School, and a fellowship in cardiology at the University of Texas Houston Health Science Center. Included in that fellowship program was a 15-month fellowship in heart failure and clinical cardiac transplantation at the Texas Heart Institute.

He created the heart failure clinic program at Baylor St. Luke’s Medical Center, and is on the Transplant Medical Review Board there.As a result of his extensive experience in the heart failure and transplant arenas, he was one of the 4 physicians worldwide asked to develop the Guidelines for the Care of Heart Transplant Recipients by the International Society for Heart and Lung Transplantation. He also authored Mechanical Circulatory Support in Patients with Heart Failure, Included in the definitive textbook, Health Failure: A Companion to Braunwald’s Heart Disease.

Dr. Delgado has authored or co-authored numerous articles for major scientific journals, including the New England Journal of Medicine, Journal of Heart and Lung Transplantation, Congestive Heart Failure, and Circulation, the premier journal of American Heart Association. He currently serves or has served on the editorial boards of Circulation, the  Texas Institute Journal, and the  Journal of Heart and Lung Transplantation. He lectures extensively,including Mexico, Canada, Greece, France, Serbia, Slovenia and Argentina