Vasilis Z. Marmarelis received his diploma in Electrical and Mechanical Engineering from the National Technical University of Athens in 1972 and his M.S. and Ph.D. in Engineering Science (Bio-Information Systems) from the California Institute of Technology in 1973 and 1976, respectively. He was Simon Ramo Lecturer and Research Fellow at the California Institute of Technology from 1976 to 1978. In September 1978, he joined the faculty of the Biomedical and Electrical Engineering Departments at USC, where he is currently Professor and Co-Director of the Biomedical Simulations Resource (BMSR), a research center dedicated to modeling and simulation of physiological systems that has been funded by the NIH through multi-million dollar grants since 1985. Dr. Marmarelis served as Chairman of the Biomedical Engineering Department from 1990 to 1996 and he is a Fellow of the IEEE and the AIMBE.