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5.04/23/2026

Creates a welcoming and inclusive environment.

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About Ari

Ari Samaranayaka is a Research Associate Professor and biostatistician in the Biostatistics Centre, Division of Health Sciences, University of Otago. He earned his BSc, MPhil, DipFGT, DipFM, and PhD from the University of Otago, completing his doctoral research in 2006 on environmental stochasticity and density dependence in animal population models under the name Ariyapala Hattasinghe Samaranayaka. His career at the University of Otago has included roles such as Senior Research Fellow before advancing to his current position as Research Associate Professor. In this capacity, Samaranayaka leads biostatistical and methodological components of health-related research projects spanning disciplines including public health, epidemiology, injury prevention, physiotherapy, pharmacy, dentistry, and immunology. He supports health researchers throughout the research lifecycle, from idea conceptualization and study design to securing funding, data implementation and analysis, and results dissemination. He also supervises postgraduate students engaged in health-related or biostatistical studies, delivers introductory hands-on short courses on Stata statistical software for researchers, and serves on the Research Ethics Committee of the Department of Preventive and Social Medicine.