Dr. Suresh S.S. Raja has been teaching Microbiology both at undergraduate and post graduate level for the last 21 years. He has published 30 research articles in national and international journals and has attended numerous seminars, symposia, and workshops. He has documented seroprevalence of Leptospirosis among farming communities in three districts of Tamil Nadu, South India, and Medical Microbiology remains his field of specialization. He has supervised 3 student projects funded by state science academy, and guided 3 Ph.D. scholars. He is a member of Board of Studies at various colleges and universities, and a member of University constituted inspection committee for approving Microbiology courses at colleges. He has delivered special lectures at academic institutions, extension programmes, and is a member of professional bodies and voluntary organizations.