Todd Gleeson, associate vice chancellor for faculty affairs at the University of Colorado at Boulder, has been named interim dean of the College of Arts and Sciences, according to Provost Phil DiStefano. Gleeson will assume the position on Sept. 17, pending approval by the Board of Regents. He will replace Peter Spear, who accepted the position of provost at the University of Wisconsin, Madison last month. "Todd Gleeson is an experienced administrator on the Boulder campus.