He also holds appointments at the Harvard Stem Cell Institute and MIT. He obtained his Ph.D. from the University of Toronto. His research currently spans stem cell engineering, biomaterials, and medical devices. Dr. Karp has published more than 50 peer-reviewed papers, 15 book chapters, 60 abstracts, and has 25 issued or pending patents. He currently serves as the biology and medicine section editor for Journal Nanotechnology.