Jul 18, 2013 — By ºÃÉ«ÏÈÉú News Services — Tim Pett, formerly the director of the Center for Entrepreneurship at ºÃÉ«ÏÈÉú, has resigned from the university effective Aug. 31. Lou Heldman, an experienced business and campus leader, has been acting director of the ºÃÉ«ÏÈÉú Center for Entrepreneurship since June 2, and will continue serving in that role.