Gregory Callaghan is the 2019-2020 President of GAPSA. He comes to the role after several years of participating in student government at the school and university level. Starting in 2015-16, he served as the Ancient History representative to the SASgov General Body. In 2016-17, he served as SASgov's VP of Financial Operations, as well as joining GAPSA as a General Assembly representative for SAS. In 2017-2018, he served as President of SASgov, as a General Assembly representative for GAPSA, and as the Finance Deputy for GAPSA and the G12's GAP program. Finally, last year, Greg served as the Chair of GAPSA’s Research Student Council.