My office is 327 Illini Hall, and my phone number is (217) 244-2846. The best way to reach me is by e-mail at mando@math.uiuc.edu.
My mailing adress is
The University of Illinois at Urbana-Chamapaign is hosting the Fall 2007 Midwest Topology Conference on October 13, 2007. You can find more information about the conference here.