Created his first video games for the Atari 800 in the early 1980s. He joined Microsoft in 1986, and spent the next ten years as one of the early developers of Excel and Word. He left the Office team to pursue his passion for interactive entertainment and created Microsoft Game Studios. Over the next eight years he grew the team from 50 people to over 1200, published more than 100 games including more than a dozen million+ sellers, co-founded the Xbox project, and made Microsoft one of the leaders in the video game business. In 2019 Ed joined with some friends to launch 1Up Ventures, a venture fund to support independent game developers around the world.