Human Resources StaffDirector Lynn Osterhaus 1229 Mount Loretta Ave, Dubuque, IA 52003 Email: DBQCHR Tel: (563) 556-2580 ext. 225Secretary Barb Gleason 1229 Mount Loretta Ave, Dubuque, Ia 52003 Email: DBQCHRsec Tel: (563) 556-2580 ext. 292