| Presidential Year | President | Secretary | |
| 01 | 1971 – 1973 | Dr P R Anthonis (Founder President) | Dr A D Soysa |
| 02 | 1974 – 1975 | Dr R C J Rustomjee | Dr A D Soysa |
| 03 | 1976 – 1977 | Dr S A Cabraal | Dr A D Soysa |
| 04 | 1978 – 1979 | Dr S E Wijetilleke | Dr J T Fernando |
| 05 | 1980 – 1981 | Dr S Rajanayagam | Dr G W Karunaratne |
| 06 | 1982 – 1983 | Dr A D Soysa | Dr S J Stephen |
| 07 | 1984 – 1985 | Dr P M Jayawardene | Dr G W Karunaratne |
| 08 | 1986 – 1987 | Dr A Gabriel | Dr S Y D C Wickramasinghe |
| 09 | 1988 – 1989 | Dr S J Stephen | Dr S Y D C Wickramasinghe |
| 10 | 1990 – 1991 | Dr L S Attygalle | Dr Colvin Samarasinghe |
| 11 | 1992 – 1993 | Dr G W Karunaratne | Dr Colvin Samarasinghe |
| 12 | 1994 | Professor C Canagaretna | Dr Gamini Goonetilleke |
| 13 | 1995 | Dr S Y D C Wickramasinghe | Dr Gamini Goonetilleke |
| 14 | 1996 | Professor A P Aluwihare | Dr S P Welgama |
| 15 | 1997 | Dr Stanmore de Alwis | Dr S P Welgama |
| 16 | 1998 | Professor Dayasiri Fernando | Professor Mohan de Silva |
| 17 | 1999 | Dr D W Weerasooriya | Dr N Ganeshananthan |
| 18 | 2000 | Professor A H Sheriffdeen | Professor D N Samarasekera |
| 19 | 2001 | Dr Gamini Goonetilleke | Professor Mohan de Silva |
| 20 | 2002 | Dr N Ganeshananthan | Professor Mandika Wijeratne |
| 21 | 2003 | Professor P C A Ratnatunga | Professor M D Lamawansa |
| 22 | 2004 | Professor Mohan de Silva | Professor Aloka Pathirana |
| 23 | 2005 | Dr Indranee Amarasinghe | Dr Naomal Perera |
| 24 | 2006 | Dr Upali Banagala | Professor Ishan De Zoysa |
| 25 | 2007 | Dr M Ganesaratnam | Professor S Chandrasekera |
| 26 | 2008 | Dr D S Liyanarachchi | Dr Malik Samarasinghe |
| 27 | 2009 | Dr Narendra Pinto | Dr Satish K Goonesinghe |
| 28 | 2010 | Dr Ranjith Ellawala | Professor Ajith Malalasekera |
| 29 | 2011 | Dr K L Fernando | Professor Bawantha Gamage |
| 30 | 2012 | Professor Neville D Perera | Dr Rezni Cassim |
| 31 | 2013 | Professor Ranil Fernando | Dr Chandika Liyanage |
| 32 | 2014 | Professor Mandika Wijeratne | Dr Nalaka Gunawansa |
| 33 | 2015 | Professor K I Deen | Professor Rohan Siriwardana |
| 34 | 2016 | Dr Ranjan Dias | Dr S Sivaganesh |
| 35 | 2017 | Professor M D Lamawansa | Dr Rasika Kotakadeniya |
| 36 | 2018 | Dr Mahanama Gunasekara | Dr Samira Jayasinghe |
| 37 | 2019 | Dr Nissanka Jayawardhana | Dr Amila Jayasekera |
| 38 | 2020 | Dr Jayaindra Fernando | Dr Gayan Ekanayake |
| 39 | 2021 | Professor S Chandrasekera | Dr Ranga Wickramarachchi |