Allen, who was an avid sports fan, owned the Portland Trail Blazers and the Seattle Seahawks. Allen and Gates met while attending a private school in north Seattle. The two friends would later drop out of college to pursue the future they envisioned.
In 1988, Paul Allen purchased the Portland Trail Blazers and was intimately involved in the team's operations until his death. He has donated more than $2 billion to various charities including $500 million to the Allen Institute for Brain Science and $52 million to Oregon charities.