| University | Director OTS | Email Address |
| University of Colombo | Prof. Chandana Aluthge |
chandana@econ.cmb.ac.lk director@ahead.cmb.ac.lk |
| University of Peradeniya | Prof. Ruwan Duminda Jayasinghe | ruwanja@dental.pdn.ac.lk |
| University of Sri Jayewardenepura | Dr.Isuru Manawadu | isurumanawadu@sjp.ac.lk |
| University of Kelaniya | Dr. M. Amila Thusha K. Munasinghe | amila@kln.ac.lk |
| University of Moratuwa | Dr.M.Shantha D Fernando | ahead@uom.lk |
| University of Jaffna | Dr. E.Y.A. Charles | charles.ey@univ.jfn.ac.lk |
| University of Ruhuna | Dr. N. Yapage |
yapagen@gmail.com nihal@maths.ruh.ac.lk |
| Eastern University Sri Lanka | Dr. P Elango |
elangop@esn.ac.lk, elango6@gmail.com direotor_ots@esu.ac.lk |
| South Eastern University of Sri Lanka | Prof. MA Mohamed Rameez | rameezmam@seu.ac.lk rameezmam2009@gmail.com |
| Rajarata University of Sri Lanka | Prof. M.H.J.P. Gunarathne | janaka78@gmail.com |
| Sabaragamuwa University of Sri Lanka | Prof.S.K. Gunatilake | sksg@appsc.sab.ac.lk |
| Wayamba University of Sri Lanka | Prof.(Ms)G.A.P.Chandrasekera | directorots@wyb.ac.lk |
| Uva Wellassa University of Sri Lanka | Prof. JP Ruwan C Ranasinghe | ruwan@uwu.ac.lk |
| University of Visual and Performing Arts | Dr. Anusha Jayasiri | anusha.j@vpa.ac.lk |
| Open University of Sri Lanka | Prof. B. Champika L. Athapattu | bcliy@ou.ac.lk |
| Gampaha Wickramarachchi University of Indigenous Medicine | Dr. Nayani Daranagama | ots@gwu.ac.lk |