Dr. Mark Haskins is a professor of pathobiology at the University of Pennsylvania School of Medicine. He and his colleagues conduct research on metabolic diseases caused by deficient enzyme activity. Such diseases have similar manifestations in animals and in children. Among the techniques Dr. Haskins and colleagues are exploring are use of recombinant DNA and gene therapy. Dr. Haskins has a BS in pre-veterinary sciences from Penn State University, a VMD from the University of Pennsylvania, a MS in biomedical engineering from Drexel University and a PHD in pathology from the University of Pennsylvania. He lives in Philadelphia.