Zachary Holtzapple University of ToledoZachary Holtzapple received his B.S. in Chemical Engineering from the University of Toledo in 2017. Currently, he is pursuing his MD degree at the University of Toledo in the class of 2022. His current interests include research in robotic laparoscopic hernia repairs and patient outcomes. His specialization will be internal medicine. ChEnected contributions Chemical Engineers in Medical School Sep 23, 2019 . by Zachary Holtzapple Considering medical school? A chemical engineer's training provides a valuable foundation for understanding medicine.