When I worked as a Design Lead for I-Comm Student Media, I was responsible for a group of new graphic designers. I managed the work schedule, helped critique and consult on their projects, and helped grade each student at the end of the semester.
Here is a poster I helped another student create. We worked together to brainstorm the concept, and then when she worked to build it I checked in and offered ideas for improving it.
This is a logo that I-Comm was asked to create for a medical professionals conference. The student who created the project came up with the idea, and I gave advise about how to make the form recognizable.