Prof Sajjiv Ariyasinghe

Prof Sajjiv Ariyasinghe is a Senior Professor in Physiology at the Faculty of Dental Sciences, University of Peradeniya, Sri Lanka, and Liaison Professor, Niigata University Japan, with over 30 years of experience in teaching, research, and academic leadership. He obtained his PhD in Physiology from Niigata University, Japan, where he began a long-standing academic and professional relationship that has significantly contributed to international collaboration between Japan and Sri Lanka.

Following his return to Sri Lanka, Prof Ariyasinghe played a key role in establishing and nurturing the Niigata–Peradeniya Sister Link Program, which has grown into a sustained institutional partnership facilitating academic exchange, collaborative research, and student mobility between the two universities. Over the years, this initiative has expanded across multiple faculties and has contributed to strengthening bilateral academic engagement.

His teaching spans core areas of human physiology, including cardiovascular, respiratory, gastrointestinal, and neurophysiology, with a strong emphasis on clarity, application, and student-centered learning. In addition to undergraduate and postgraduate teaching, he is actively involved in examinations, curriculum development, and mentoring of students and young academics.

Beyond academia, Prof Ariyasinghe has a strong interest in metabolic health and preventive medicine. He has personally undertaken and documented a structured, evidence-based lifestyle intervention focusing on intermittent fasting, exercise physiology, and metabolic optimization. This work integrates scientific principles with real-world application and forms the basis for his educational content aimed at promoting sustainable health practices.

Prof Ariyasinghe continues to contribute to both national and international academic communities, combining scientific expertise, educational experience, and practical insight to advance health, education, and cross-cultural collaboration. He has won Presidential research awards many times and merit awards as well as commendations from the Ambassador of Japan for his collaborative work.