Prior to founding Topspin, Leo was the President, CEO and Chairman of Ademco, which he joined in 1964.


Under his tenure, the company grew from a fledgling manufacturer to become the Pittway Corporation Security Group, a $1.5 billion enterprise. This group encompassed the world's largest manufacturer and distributor of security systems in addition to a number of security-related businesses.  Following its sale to Honeywell International in 2000 for $2.2 billion, Leo was named as CEO of Honeywell's Security and Fire Solutions Group.

Leo currently serves as a Board member of the Aptar Group (NYSE:ATR). He is also a member of the board of trustees of Hofstra University, where he served as Chairman from 1993-1996. He served as the Chairman of Cylink Corporation (NASDAQ:CYLK), a Board member of Symbol Technologies (NYSE:SBL), and, as a trustee for the Acorn Group of Funds.

Leo received his A.B. in Physics from Harvard College and his MBA from Harvard Business School where he was a Baker Scholar. He also received a Doctorate from Harvard Business School with a specialty in Corporate Finance and served on the faculty there where he was a Ford Foundation Fellow.
Investment team