Stephen Zoepf is chief of policy development at Ellis & Assoicates. Prior to that he was Executive Director of the Center for Automotive Research at Stanford. Stephen co-teaches ME 267: Ethics and Equipty in Transportation Systems with Chris Gerdes. He has fifteen years of experience in the automotive field, including eight years in engineering and product management roles at BMW and Ford. He was a Post-Doctoral researcher at MIT and on the technical staff of the U.S. Dept. of Transportation.