They also ask the students for direct votes on some issues, and have an advisory board. System is a self-op. The arrangements have worked well, so UCSD is bringing in more independent restaurants. The little things ARE the big things. To get input, UCSB sponsors focus groups of students, faculty, and staff to discuss menus and operational issues.
System is a self-op that recently introduced a number of financial services and reforms.
System is a self-op. Food Service has started a balloon delivery service based on student input. If you can't, then don't try. Beware that in these discussions, most students' only frame of reference is what they already know. Experiment with extended hours, take out service, etc. but start small in order to prove your competence.