The Institute consists of a central office based in Pretoria, from which the secretariat operates. There are five active branches within South Africa, each with a branch chair
| Council Members | |
| President | Prof Bruce Talbot |
| Vice president | Dr. Christopher Komakech |
| Past president | Braam du Preez |
| National secretary | Intsia Kriel |
| Journal editor | Dr. David Everard |
| Branch Chairs | |
| KwaZulu-Natal | Lelethu Sinuka |
| Mpumalanga | Dr. Ratsodo Tshidzumba |
| Southern & Eastern Cape | Dr. Tatenda Mapeto |
| Western Cape | Dr. Justin Erasmus |
| Gauteng | Dr. Christopher Komakech |
| DFFE Representative | Vacant |