Contact Alpha Sigma Nu - Marquette Chapter Looking for the Alpha Sigma Nu International site? Click here Alpha Sigma Nu - Marquette University Chapter Marquette University Office of the President O'Hara Hall, Room 102 P.O. Box 1881 Milwaukee, WI 53201-1881     Phone: (414) 288-7223 Fax: (414) 288-3161      First Name:   Last Name:   E-Mail Address:  (Required)      Subject: Please Select General Question Other