Su is a research associate at WRI China Ross Center for Sustainable Cities. She works on the economics and policy studies of sustainable transport in China.

Prior to joining WRI, Su worked as the Transport Specialist for Clean Air Asia (formerly the CAI-Asia) and China Academy of Transportation Sciences, as well as an individual consultant for the Asian Development Bank and the World Bank. She is also a reviewer of the peer-reviewed journal Ocean and Coastal Management, and Young Crane Consulting, a local think tank. Her research interests include transport-related welfare economics and policies, emission inventories, transport external cost, and the nexus of transport and climate change.

Su holds a masters degree in Maritime Economics & Logistics from Erasmus University Rotterdam and a bachelors degree in Economics from Shanghai Maritime University.

Su enjoys swimming, hiking, and science fiction.