| Position | Name | |
| President | Dr. K.G.S.U. Ariyawansha | sameera@pts.cmb.ac.lk |
| Vice-Presidents | Prof. K.B. S. Gunawickrama | suneetha@zoo.ruh.ac.lk |
| Prof. B. D. Rohitha Prasantha | bdrp@pdn.ac.lk | |
| Prof. H. D. D. Bandupriya | dbandupriya@pts.cmb.ac.lk | |
| Dr. R. Wimalasekara | rinukshi@sci.sjp.ac.lk | |
| Joint Secretaries | Dr. I.A.J.K. Dissanayake | jkdissanayake@pts.cmb.ac.lk |
| Dr. D. Halwatura | devan.halwatura@zoology.cmb.ac.lk | |
| Treasurer | Dr. C. D. Jayasinghe | cdjay@ou.ac.lk |
| Assistant Treasurer | Dr. V. Kulasena | |
| Editor | Dr. Uthpala Jayawardena | uajay@ou.ac.lk |
| Assistant Editor | Dr. A. M. Wickramasuriya | anushka@pts.cmb.ac.lk |
| Secretary for International Relations | Prof. Hiran Amarasekera | hiran@sjp.ac.lk |
| Members | Dr. I. U. Kariyawasam | isurufasi@gmail.com |
| Dr. P. D. Dayananda | dilakshini@sci.sjp.ac.lk | |
| Mr. K. M. Sudesh Ruvinda | sudeshr@kln.ac.lk | |
| Dr. P. K. C. B. Wijerathna | ||
| Dr. P. Dharmasena | ||
| Auditor | Mr. P.G. Maithrirathne |
IOB Council 2023/2024
