Helen K. Liu is a Professor at the Department of Political Science and the Graduate Institute of Public Affairs, National Taiwan University. With a business, economics, and public affairs background, she integrates knowledge to bridge Internet communication technology (ICT) and public engagement behavior. Her research develops crowdsourcing platform design principles for the public sector to engage citizens. Her primary research interests are crowdsourcing, online engagement, collaborative governance, e-governance, and inter-organizational networks. She serves on the Government Information Quarterly editorial board. She received the National Science and Technology Council's Outstanding Research Award (2020). She is one of the conference co-chairs for the 2024 dg.o conference.