American investor and philanthropist who co-founded Microsoft. He owns both the Seattle Seahawks and the Portland Trailblazers.
He lasted two years at Washington State University, where he was involved in the Phi Kappa Theta fraternity.
He also founded Vulcan Inc and is part-owner of the Seattle Sounders FC.
His father Kenneth Samuel Allen was associate director of the University of Washington libraries. His sister Jody is also a businesswoman.
He co-founded Microsoft with Bill Gates.