Dr. N. Ethirajalu received M.Sc and M.Phil degrees from University of Madras and Ph. D degree from Bharathidasan University, Tiruchirapalli. He has been serving in the field of higher education for nearly four decades as a distinguished Professor, active Researcher and able Administrator. He has handled two research projects funded by the University Grants Commission. His research contributions have appeared in several peer reviewed Indian and International journals and conference proceedings. His fields of specialization are Fuzzy Sets, Rough Set, Stochastic Processes and Graph Theory. He has organized several national level seminars on emerging fields in Mathematics sponsored by University Grants Commission, Tamil Nadu State Council For Science & Technology and Tamil Nadu State Council For Higher Education. He has held several academic positions in Bharathidan University, University of Madras, Bharathiar University and Madurai Kamaraj University.