President
Convenor
| 1953 | Dr. V. K. Chitnis, Bombay |
| 1954 | Dr. E. V. Srinivasan Chennai |
| 1955 | Dr. M. S. Mekhri |
| 1957 | Dr. S. N. Cooper Bombay |
| 1957 | Dr. P. Sivasubramaniam Colombo |
| 1958 | Dr. H. D. Dastoor Bombay |
| 1959 | Dr. D. G. Patwardhan Poona |
| 1960 | Dr. Y. K. C. Pandit Bombay |
| 1961 | Dr. R. P. Dhanda Indore |
| 1962 | Dr. P. Ramachander Hyderabad |
| 1963 | Dr. V. K. Chitnis Bombay |
| 1964 (SROC) | Dr. B. K. Narayana Rao Bangalore |
| 1965 | Dr. J. M. Pahwa Sitapur |
| 1966 | Dr. M. B. Sundar Rao Bangalore |
| 1967 | Dr. S. T. Puttanna Bangalore |
| 1968 | Dr. V. Raghavachari Vizagapattanam |
| 1969 | Lt. Col. V. Rangachari Chennai |
| 1970 | Dr. P. Siva Reddy Hyderabad |
| 1971 (SROC) | Dr. M. S. Mekhri Bangalore |
| 1972 | Dr. B. T. Maskati |
| 1973 | Dr. Nanumann T.Maskati |
| 1974 | Dr. D. G. Modi |
| 1975 | Dr. K. S. Subramaniam |
| 1976 (SROC) | Dr. P. Siva Reddy Hyderabad |
| 1977 (SROC) | Lt. Col. V. Rangachari Chennai |
| 1978 | Dr. H. Krishnamurthy |
| 1979 | Dr. T. A. Joseph Kerala |
| 1980 (SROC) | Dr. P. Siva Reddy |
| 1981 | Dr. A. V. Madanagopal Amravathy |
| 1982 | Dr. A. A . Sathar |
| 1983 | Dr. A. A . Sathar |
| 1984 (SROC) | Dr. A. A . Sathar |
| 1985 | Dr. I. Pitchai Robert |
| 1986 | Dr. E. T. Selvam |
| 1987 | Dr. D. Sudarewwaran |
| 1988 (SROC) | Dr. G. Venkatasamy |
| 1989 | Dr. Muthiah Pandian |
| 1990 | Dr. N. B. Sambamurthy |
| 1991 | Dr. T. M. Kumarasamy |
| 1992 (SROC) | Dr. C. P. Gupta |
| 1993 | Dr. Guhanandam |
| 1994 | Dr. A. Govindarajan |
| 1995 | Dr. J. Rajasekaran |
| 1996 | Dr. T. R. Swaminathan |
| 1997 | Dr. Loganathan |
| 1998 | Dr. J. Agarwal |
| 1999 | Dr. M. R. S. Ramakrishnan |
| 2000 | Dr. G. Natchiar |
| 2001 | Dr. C. B. Baskaran |
| 2002 | Dr. Ananda Kannan |
| 2003 | Dr. Babu Rajendran |
| 2004 | Dr. Namperumalsamy |
| 2005 | Dr. K. Ravi |
| 2006 | Dr. V. Velayutham |
| 2007 | Dr. Nelson Jesudasan |
| 2008 | Dr. Satya Albert |
| 2009 | Dr. S. S. Sukumar |
| 2010 | Dr. R. Pandurangan |
| 2011 | Dr. R. Kandiah |
| 2012 | Dr. M. Radhakrishnan |
| 2013 | Dr. Madhivanan Natarajan |
| 2014 | Dr. Ramamurthi. D |
| 2015 | Dr. K Premraj |
| 2016 | Dr. K. Vasantha |
| 2017 | Dr. V. Panneer selvam |
| 2018 | Dr. V. Siddharthan |
| 2019 | Dr.V.Thangavelu |
| 2021 | Dr.Mohan Rajan |
| 2022 | Dr. R. Ramakrishnan |
| 2023 | Dr. T. Nirmal Fredrick |
| 1953 | Dr. Joseph Gnanadickam |
| 1954 | Dr. N. Suriya Narayanan |
| 1955 | Dr. K. G. Gurubatham |
| 1957 | Dr. Pitchai Robert |
| 1957 | Dr. N. C. Sekhar |
| 1958 | Dr. J. A. Muthiah |
| 1959 | Lt. Col. V. Rangachari |
| 1960 | Dr. Roy Ebenezer & |
| Dr. T. M. Kumaraswamy | |
| 1961 | Dr. R. Venkatasamy |
| 1962 | Dr. R. Mahalingam |
| 1963 | Dr. Joseph Gnanadickam |
| 1964 (SROC) | Dr. M. S. Mekhri |
| 1965 | Dr. D. S.Mamuel |
| 1966 | Dr. S. Gurbatham |
| 1967 | Dr. G. Venkatasamy |
| 1968 | Dr. V. Samkaran |
| 1969 | Dr. G. Venkasamy |
| 1970 | Dr. Balasubramanaim |
| 1971 (SROC) | Dr. P. Siva Reddy |
| 1972 | Lt. Col. V. Rangachari |
| 1973 | Dr. T. A Muthiah Pandian |
| 1974 | Dr. P. N. Srinivasa Rao |
| 1975 | Dr. R. Krishnamurthy |
| 1976 (SROC) | Dr. Lyle Alloway |
| 1977 (SROC) | Dr. J. Rajasekaran |
| 1978 | Dr. S. Valeeswaran |
| 1979 | Dr. A. A. Sathar |
| 1980 (SROC) | Dr. T. A. Joseph |
| 1981 | Dr. E. T. Selvam |
| 1982 | Dr. S. Manohar David |
| 1983 | Dr. A. A . Sathar |
| 1984 (SROC) | Dr. C. R. Kamath |
| 1985 | Dr. V. M. Loganatham |
| 1986 | Dr. Mathew Krishnan |
| 1987 | Dr. N. Sambamurthy |
| 1988 (SROC) | Dr. Rajasekaran |
| 1989 | Dr. V. Siddharthan |
| 1990 | Dr. R. D. Raveendran |
| 1991 | Dr. S. Balasubramanian |
| 1992 (SROC) | Dr. K. Ravi |
| 1993 | Dr. V. Velaudham |
| 1994 | Dr. Namperumalsamy |
| 1995 | Dr. Philip Thomas |
| 1996 | Dr. V. Siddharthan |
| 1997 | Dr. Sukumar, S.S |
| 1998 | Dr. N. Madhivanan |
| 1999 | Dr. S. K . Sundaramoorthy |
| 2000 | Dr. M. Srinivasan |
| 2001 | Dr. D. Ramamoorthy |
| 2002 | Dr. Satya Albert |
| 2003 | Dr. Arulmozhivarman |
| 2004 | Dr. Ramakrishnan |
| 2005 | Dr. T. S. Chandrasekaran |
| 2006 | Dr. Renuka Sreenivasan |
| 2007 | Dr. V. Panneerselvam |
| 2008 | Dr. Premraj |
| 2009 | Dr. V. Narendran |
| 2010 | Dr. P.P. Soundararajan |
| 2011 | Dr. R. Ramakrishnan |
| 2012 | Dr. DevakiSenthilkumar |
| 2013 | Dr. Mohanrajan |
| 2014 | Dr.KalpanaNarendran |
| 2015 | Dr. Kim Ramasamy |
| 2016 | Dr. Md Sayee |
| 2017 | Dr. C. Balasubramanian |
| 2018 | Dr. R. Venkatesh |
| 2019 | Dr.R.Selvarangam |
| 2021 | Dr.M.Ravishankar |
| 2022 | Dr. J.K Reddy |
| 2023 | Dr. Sriram Gopal |
Secretary
Treasurer
| 1982 - 91 | Dr. A. Govindarajan |
| 1991 - 97 | Dr. Satya Albert |
| 1997 - 2000 | Dr. N. Madhivanan |
| 2000 - 03 | Dr. Arulmozhivarman |
| 2003 - 06 | Dr. S. S. Sukumar |
| 2006 - 09 | Dr. M. Radhakrishnan |
| 2009 - 12 | Dr. V. Siddharthan |
| 2012 - 15 | Dr. T. Nirmal Fredrick |
| 2015 - 18 | Dr. K. Rajasekar |
| 2018-2022 | Dr.V.Madhavan |
| 2022-2025 | Dr. Sriram Gopal |
| 1982 | Dr. M. R. S. Ramakrishnan |
| Dr. Sankara Narayanan | |
| 1997 | Dr. Arulmozhivarman |
| 2003 | Dr. N. Madhivanan |
| 2003 - 06 | Dr. V. Siddharthan |
| 2006 - 09 | Dr. Madhavan |
| 2009 - 12 | Dr. Nirmal Fredrick |
| 2012 - 15 | Dr. M. Thangavelu |
| 2015 - 18 | Dr. N. Rajeswari |
| 2018-2022 | Dr.M.Loganathan |
| 2022-2025 | Dr. Balaji Ramanathan |
Editor, Journal of TNOA
Chairman ARC
| 1963-1999 | Dr. T. V. Renganathan |
| Dr. Kalaikovan | |
| Dr. Namperumalsamy | |
| 1999-2003 | Dr. V. Siddharthan |
| 2003-06 | Dr. Arulmozhivarman |
| 2006 - 09 | Dr. Chalini Madhivanan |
| 2009 - 12 | Dr. Sujatha Mohan |
| 2012 - 15 | Dr. KalpanaNarendran |
| 2015 - 18 | Dr. Nirmal Fredrick |
| 2018-2022 | Dr.Sharmila Devi |
| 1999-2003 | Dr. K. Ravi |
| 2003-06 | Dr. Madhivanan |
| 2006-09 | Dr. Kandiah |
| 2009 -12 | Dr. K. Premraj |
| 2012- 15 | Dr. V. Siddharthan |
| 2015- 18 | Dr. Mohan Rajan |
| 2018-2022 | Dr.K.Rajasekar |
| 2022-2025 | Dr. Atheek Shaik |