Visionary software engineer who created Lotus Notes, the first desktop publishing platform.
He studied computer science at the University of Illinois at Urbana-Champaign where he contributed to the important PLATO project.
He joined Microsoft as the Chief Technical Officer in June 2006.
He married Dawna Bousquet with whom he had a son Neil and daughter Jill.
He took over for Bill Gates as Microsoft's Chief Software Officer in June 2006.