Prof. Dr. A. John De Britto obtained his Degree of Doctor of Philosophy from Madurai Kamaraj University, Madurai. He has completed 34 years of teaching including 28 years of research in St.Xavier’s College (Autonomous), Palayamkottai. He has completed 14 Major Projects and 7 Minor projects funded by TNSCST, UGC, DST, CSIR, ICMR, MOEF, PWD, and ICSSR which include both scientific and socially relevant projects. He has published six books on Environmental Science, Biostatistics, Bioinformatics and Personality Development. He also published 220 research articles in National and International Journals. Under his able guidance, 32 research scholars were awarded Ph.D., Degree and 24 were awarded M.Phil., Degree.

He has participated in various International Exchange Programmes, Seminars and Conferences held in countries like Japan (1992, 2000), China (1997, 2009), United Kingdom (1995), USA (1999, 2009, 2014, 2016, 2021) Finland (2003), Thailand (2003), Czech Republic (2005), Portugal (2005), Austria (2005), Australia (2007, 2011), Jordan (2012) Denmark (2016) and presented papers.

He held many positions such as Dean of Science (2007-2010), Dean of Research (2012-2013), Registrar of Manonmaniam Sundaranar University, Tirunelveli, (2014-2017), Controller of Examinations in Karunya Institute of Technology and Sciences, Coimbatore (2018-2022) and Special Officer at Loyola College, Chennai (2022-2023).