Dr Jeannie Tey has nearly 20 years of experience in public health policy-making and administration. She is a Senior Consultant in the Department of Epidemiology and Preventive Medicine and serves as the Director of Corporate Planning and Chief Sustainability Officer at Tan Tock Seng Hospital.

Dr Tey's career is dedicated to population health, health policy, and health systems management. At Tan Tock Seng Hospital, she develops preventive health capabilities and guides the hospital's strategic growth. She is also passionate about healthcare sustainability, advocating for a health systems approach that creates co-benefits for both health and the environment. By integrating sustainability into health systems management, Dr Tey aims to enhance health outcomes while protecting the environment. She is particularly interested in empowering individuals to sustain behavioural change, leveraging innovative solutions to address contemporary healthcare challenges and foster a sustainable future.