The JCUMSA Core Executive is made up of:
- Academic Vice President
- Events Vice President
- Sponsorship Officer
- Liaison Officer
- Media and Publications Officer
There are 2 academic representatives in each year level, who work with the academic vice president to stay up to date with current issues in their year level, and communicate important changes between students and JCUMSA.
There are 2 events representatives in each year level, who work to support the events vice president, convene events, and advertise JCUMSA events to their year level.
The IT Officer works with the Media and Publications Officer to keep the JCUMSA website up to date.
The JCUMSA Anatomy Society is a subcomittee of JCUMSA with a single chairman and medical student members. It was established in 2011.