Stewart Macgregor-Dennis was the Treasurer of the Associated Students of Stanford University in 2010-2011. In April 2011, he was voted as the Vice President of the undergraduate Associated Sudents of Stanford University 2011-2012.
His Stanford Senate Biography page: http://senate.stanford.edu/stewart-macgregor-dennis/ The picture which is mentioned during this show: http://www.stanforddaily.com/2011/04/11/cruz-macgregor-dennis-win-executive/