Prof. Ian Overton is the Acting Director of Water Data Science and Country Manager for Sri Lanka at the International Water Management Institute (IWMI). He is an internationally experienced water and environmental management professional who has worked across academia, private industry, research organizations, and state and federal government institutions.

His areas of expertise include integrated water resources management, environmental flows, climate resilience, flood and drought management, transboundary water allocation, natural capital, circular economy, spatial information systems, modelling, and nature-based solutions. Prior to joining IWMI, he held senior leadership and research positions in Australia, including Chief Executive of Green Industries SA and leadership roles at Water Research Australia and CSIRO

Prof. Overton holds a PhD, an MBA, a Graduate Certificate in Management, a Bachelor of Arts with Honours, and a Bachelor of Science. He is also an Affiliate Professor at the University of Adelaide Business School and a graduate of the Australian Institute of Company Directors.