Leo A. Guthart, Managing Director
Leo is founder and Chief Executive Officer of Topspin I and runs its buyout and venture capital practices. Prior to founding Topspin in 2000, Leo served as Chairman of the Security and Fire Solutions Group of Honeywell International. Prior to its sale to Honeywell in 2000, he served as Vice Chairman of Pittway Corporation and Chief Executive Officer of its Security Group of Companies, which included: Ademco, the largest manufacturer in the world of alarm equipment; ADI, the largest distributor of security equipment in the United States; Fire Burglary Instruments, a leading supplier of security control panels; First Alert Professional Security Systems, the preeminent brand name marketing program for alarm dealers; and AlarmNet, a cellular radio service which transmits alarm and security signals in major US cities. He was also Chairman of publicly held Cylink Corporation, a leading U.S. supplier of encryption equipment, which was sold to SafeNet Inc. (NASDAQ: SFNT) in 2003.

Leo is a graduate of Harvard College where he received a BA degree in Physics and of Harvard Business School where he was a George F. Baker Scholar and received both an MBA and a Doctorate in Business Administration with a specialty in Corporate Finance. He served on the faculty of Harvard Business School and was a Ford Foundation Fellow performing research on corporate share repurchases. His articles on share repurchases have been published in the Harvard Business Review, the Financial Analysts Journal and the Journal of Finance.

Leo was Chairman of the Board of Trustees of Hofstra University from 1993-1996, was a Founding Director of the Long Island Research Institute and was a Trustee of the Acorn Funds, a leading growth-oriented family of mutual funds. He is currently a Director of AptarGroup, Inc. (NYSE: ATR), an international producer of dispensing valves, pumps and closures for pharmaceuticals and perfumes.