Mark is currently the Managing Director of Leslie Ventures, where he is a very active investor in ultra-high technology companies. He is also a Lecturer in Management at Stanford Graduate School of Business, where he teaches courses in entrepreneurship, ethics and sales organization.
Mark was a founder, chairman and CEO of Veritas Software, helping to build the company over his eleven-year tenure to 6,000 employees and annual revenues of $1.5 billion. Prior to Veritas Mark served as CEO of two Silicon Valley high- tech startup companies.
Mark currently serves on the boards of a number of privately held high-technology corporations. Over the past twenty-five years Mark has served on over fifty boards of directors, both public and private.
Mark serves on the board of Directors of Stanford Health Care (Hospital and Medical School) and the NYU Board of Trustees.
Mark received a bachelor’s degree in physics and mathematics from New York University in 1966 and completed Harvard Business School's Program for Management Development in 1980.