SIAG Vice Chair
- Member of SIAG
- Elected by the members of the SIAG (except for the first Vice Chair of the SIAG who is appointed by the President of SIAM)
- Carry out the duties of the Chair if he or she is unable to fulfill the duties of the Chair.
- Preside at meetings when the Chair is absent.
- For SIAG/CST, SIAG/LA, and SIAG/OPT -- serve as chair of the prize committee.