Student Moderator
The moderator acts as master of ceremonies for the event; the principal job of the moderator is to introduce the keynote speaker. 

Aaron Richmond-Havel will be the student moderator.

Student Speaker
The student speaker's primary job is to give a speech to the graduating class.

Zilong Wang was elected student speaker for the graduating class.

Alumni Speaker
This is a speech offered by an alum to the graduating class.

Kim Saal 70F is the alumni speaker.

Faculty Speaker
This is a speech offered by a faculty member to the graduating class.

Margaret Cerullo, professor of sociology, is the faculty speaker

Staff Speaker (formerly Staff Convener)
The staff speaker leads the procession, officially opens and closes the ceremony, and gives a short speech congratulating graduates.

Leslie Cox, farm manager, is staff speaker.