He was first at IBM at the time of the mainframes, then at Exa Corporation, where he was a founder and Vice President of Product Marketing. In November 1995 he joined Digital Equipment Corporation as Cambridge Research Lab Director, and then went on to Compaq as Vice President of Corporate Research when DEC was acquired by Compaq.
He began his career at IBM during the time of mainframes, then went on to found and lead product marketing for Exa Corporation. In 1995, he became the Director of Cambridge Research Lab at Digital Equipment Corporation before joining Compaq as Vice President of Corporate Research after DEC was acquired by Compaq.