Unit 1 – Instructors, TAs, Lab Demonstrators, Marker/Graders and Course Coordinators Unit 1 comprises the occupational groups originally certified in 1998: Instructors Teaching Assistants Lab Demonstrators Marker/Graders Course Coordinators Members’ Manual Fall 2015 Newsletter CUPE 4207 Seniority List Revised June 1-15 Share this:FacebookTwitter