Robert is a member of the following parliamentary committees:
- Select Committee on Grocery Pricing in South Australia (Chair)
- Select Committee on Recycling Soft Plastics and Other Recyclable Material
- Social Development Committee
- COVID-19 Direction Accountability and Oversight Committee (Chair)
Former member of
- Environment, Resources and Development Committee
- Wage Theft in South Australia Select Committee
- The Privatisation of Public Services in South Australia Select Committee (Chair)
- Public and Active Transport (Chair)
- Joint Committee on the Establishment of Adelaide University
- Select Committee on the Gig Economy