Dr. Andrew D. Fisher is a graduate of Texas A&M University College of Medicine and is currently a general surgery resident at the University of New Mexico School of Medicine in Albuquerque, New Mexico. He served in the US Army as a physician assistant assigned to the 75th Ranger Regiment prior to medical school where he pioneered the use of whole-blood transfusions at the point of injury, and contributed to research for the utilization of low titer O-negative whole blood in trauma.