The senior Co-Chair is responsible for preparing agendas for meetings, seeking approval from the group advisor and distributing the agenda to the Board members no fewer than three days in advance of the meeting. He/she also serves as the DBBS student representative to the Washington University Graduate Council, and must attend all four meetings on the Danforth campus. In collaboration with the Junior Co-Chair, the Senior Co-Chair will also be the direct line of communication with other groups and division administration, and will serve as the face of SAC at social and administrative events.