HISSL Council
- President: Dr. Rohana Marasinghe
- Immediate Past President: Professor Vajira H. W. Dissanayake
- President-elect: Dr. Achala Jayatilleke
- Honorary Secretary: Dr. Roshan Hewapathirana
- Honorary Assistant Secretary: Dr. Chamika Senanayake
- Honorary Treasurer: Dr. Pandula Siribaddana
- Honorary Assistant Treasurer: Dr. Pramil Liyanage
Council Members / Executive Vice-Presidents
| Dr. Prasad Ranatunga | |
| Dr. Arjuna Wijekoon | |
| Dr. Gumindu Kulatunga | |
| Dr. Janaka Wickramarathne | |
| Dr. Pamod Amarakoon | |
| Dr. Clive James | |
| Dr. Nishan Siriwardena | |
| Dr. Jayathri Wijayarathna | |
| Dr. Megha Ganewatta | |
| Dr. Dilmini Karunarathna | |
| Dr. K.K. Pradeep Sylva | |
| Dr. M G Y Piyasena |