Who funded on behalf this President?

Why is this relevant?

What year(s) did this occur?

"But new questions have been raised about Obama’s student loans and Obama’s ties to a radical Muslim activist who reportedly was raising money for Obama’s Harvard studies during the years 1988 to 1991.....Sutton described al-Mansour as advisor to "one of the world’s richest men,” Saudi prince Alwaleed bin Talal."

http://www.newsmax.com/KenTimmerman/obama-harvard-/2009/12/14/id/342454/