There are a few different ways to reach your instructor. First, instructors list their contact information on the course syllabi (phone, email, office hours). Second, you may contact the department assistant to help you reach your instructor.
For CSL, LSI, LSE,SCU, SCG courses, contact Marc Schell: firstname.lastname@example.org or (773) 325-4228
For ECE, EE, PE, SEC, MGU, MGG or T&L courses, contact Nicole Nudo: email@example.com or (773) 325-8634
For A&S, BBE, or CS courses, contact Karlee Johnson: firstname.lastname@example.org or (773) 325-4806