The Grinder: Dave Pottruck, the defrocked CEO of Charles Schwab, is back in the billions with HighTower Advisors The hands. That is one of the first things you notice about Dave Pottruck. They are big, even in relationship to his bearish body. They are the same hands that used to drag men down to the mat and gridiron at the University of Pennsylvania, where he was named Most Valuable Player on both the varsity wrestling and football teams. He later won a gold medal in wrestling at the Jewish Olympics.