| List of past Chairmen and Chairpersons | List of past Secretaries | |
| Period | Name | Name |
| 1972/73 | Mr. E.B. Dissanaike | Mr.E.Pararajasingham |
| 73/74 | Mr. E.B. Dissanaike | Mr.E.Pararajasingham |
| 74/75 | Mr. E.B. Dissanaike | Mr.E.Pararajasingham |
| 75/76 | Mr.L.S.Wanigatunga | Mr.Ranjith Tennakoon |
| 76/77 | Mr.L.S.Wanigatunga | Mr.Ranjith Tennakoon |
| 77/78 | Mr.E.Pararajasingham | Mr.Ranjith Tennakoon |
| 78/79 | Prof. L.D.Fernando | Ms.Chandra Thenuwara |
| 79/80 | Prof. L.D.Fernando | Ms.Chandra Thenuwara |
| 80/81 | Prof. L.D.Fernando | Ms.Chandra Thenuwara |
| 81/82 | Prof. L.D.Fernando | Ms.Chandra Thenuwara |
| 82/83 | Mr.L.S.Wanigatunga | Mr.Patrick Perera |
| 83/84/85 | Mr.L.S.Wanigatunga | Mr.Patrick Perera |
| 85/86 | Mr.M.A.Mack | Mr.Ranjith Goonathilake |
| 86/87 | Mr.M.A.Mack | Mr.Merril Fernando |
| 87/88 | Mr.M.A.Mack | Mr.Merril Fernando |
| 88/89 | Mr.Ranjith Tennakoon | Mr.Ranjith Goonathilake |
| 89/90 | Mr.Ranjith Tennakoon | Mr.D.P.Gunawardana |
| 90/91 | Mr.Ranjith Tennakoon | Mr.D.P.Gunawardana |
| 91/92 | Mr.D.P.Gunawardana | Mr.Kumar Peiris |
| 92/93 | Mr.D.P.Gunawardana | Mr.Kumar Peiris |
| 93/94 | Mr.D.P.Gunawardana | Mr. V.A.Nandasena |
| 94/95 | Mr. V.A.Nandasena | Dr.Nirmali De Silva |
| 95/96 | Mr.R.U.Kuruppu | Dr.Nirmali De Silva |
| 96/97 | Mr.R.U.Kuruppu | Dr.Nirmali De Silva |
| 97/98 | Dr.Nirmali De Silva | Mr.Nisal Fernando |
| 98/99 | Dr.Nirmali De Silva | Mr.Nisal Fernando |
| 99/00 | Dr.Nirmali De Silva | Mr.Anura De silva |
| 00/01 | Dr.Nirmali De Silva | Mr.Anura De silva |
| 01/02 | Dr.Nirmali De Silva | Mr.Anura De silva |
| 02/03 | Dr.Nirmali De Silva | Mr.Anura De silva |
| 03/04 | Dr.Nirmali De Silva | Mr.Anura De silva |
| 04/05 | Dr.R.U.Kuruppu | Mr.Nihal Wanigatunga |
| 05/06 | Dr.R.U.Kuruppu | Mr.Nihal Wanigatunga |
| 06/07 | Prof.W.A.Wimalaweera | Dr.S.A.Ariyadurai |
| 07/08 | Prof.W.A.Wimalaweera | Dr.S.A.Ariyadurai |
| 08/09 | Dr.R.U.Kuruppu | Mr.Lalith Wijetunga |
| 09/10 | Dr.R.U.Kuruppu | Ms. Uditha Samarakone |
| 10/11 | Dr.R.U.Kuruppu | Ms. Uditha Samarakone |
| 11/12 | Dr.R.U.Kuruppu | Mr. Keerthi Abeywickrama |
| 12/13 | Adjunct Prof. R.U Kuruppu | Mr. Keerthi Abeywickrama |
| 13/14 | Adjunct Prof. R.U Kuruppu | Ms. Shiranika Jayasuriya |
| 14/15 | Adjunct Prof. R.U Kuruppu | Ms. Shiranika Jayasuriya |
| 15/16 | Adjunct Prof. R.U Kuruppu | Ms. Shiranika Jayasuriya |
| 16/17 | Adjunct Prof. R.U Kuruppu | Ms. Shiranika Jayasuriya |
| 18/19 | Adjunct Prof. R.U Kuruppu | Ms. Shiranika Jayasuriya |