Vivian serves as the Technical Head of Breathe Cities, Southeast Asia, and Senior Advisor, Air Quality and Health. As part of the Air Quality team’s technical assistance program, Vivian is responsible for coordinating in-house modelling, analysis, report writing, and public communication in support of the cities’ air quality planning and policy development, as well as strengthening connections within C40 and with key C40 partner stakeholders.

Vivian is an air pollution epidemiologist with over 13 years of research experience, focusing on air pollution/environmental health, urban health, chronic diseases and well-being, and “big data” quantitative research methods. Before joining C40, she worked at Vital Strategies, a global public health organization, where she made the case for addressing air pollution from a public health perspective, increasing commitment and capacity of key stakeholders to strengthen air quality management to promote public health, and informing the public about the risks of air pollution. She also has hands-on public health experience, working as an epidemiologist at the Massachusetts Department of Public Health in Boston, USA, and as a Principal Scientist at the National Environment Agency in Singapore. 

She holds a BSc in Biology from the University of Washington (Seattle, USA), a Masters in Public Health from Boston University (Boston, USA), and a PhD in Public Health from the Chinese University of Hong Kong (China). She is currently based in Singapore.