Hao WAN received the B.S. and Ph.D. degree in Biomedical Engineering from Huazhong University of Science and Technology, Wuhan, China and Zhejiang University, Hangzhou, China in 2010 and 2015, respectively. From 2015 to 2017, he worked as a postdoc in Electrical and Computer Engineering, Michigan State University, USA. He is currently a lecturer in the Department of Biomedical Engineering, Zhejiang University, China. His research interests are sensor microfabrication, electrochemical sensing and instrument development in environmental monitoring applications.