Yajun Ha is currently a professor of ShanghaiTech University, Editor in Chief of IEEE Transactions on Circuits and Systems II: Express Briefs, Winner of the National Natural Science Foundation of China's Research Fund for International Senior Scientists and Key International (Regional) Joint Research Program, Director of Shanghai Engineering Research Center of Energy Efficient and Custom AI IC, Director of the PMICC Center and Academic Committee, and Deputy Director of the Teacher Recruitment Committee.

Yajun Ha received the B.S. degree from Zhejiang University, Hangzhou, China, in 1996, the M.Eng. degree from the National University of Singapore, Singapore, in 1999, and the Ph.D. degree from Katholieke Universiteit Leuven, Leuven, Belgium, in 2004, all in electrical engineering. Before this, he was a Scientist and Director, I2R-BYD Joint Lab at Institute for Infocomm Research, Singapore, and an Adjunct Associate Professor at the Department of Electrical & Computer Engineering, National University of Singapore. Prior to this, he was an Assistant Professor with National University of Singapore. His research interests include reconfigurable computing, ultra-low power digital circuits and systems, embedded system architecture and design tools for applications in robots, smart vehicles and intelligent systems. He has published around 150 internationally peer-reviewed journal/conference papers on these topics. He has served a number of positions in the professional communities. He serves as the Editor-in-Chief for the IEEE Trans. on Circuits and Systems II: Express Briefs (2022-2023), the Associate Editor-in-Chief for the IEEE Trans. on Circuits and Systems II: Express Briefs (2020–2021), the Associate Editor for the IEEE Trans. on Circuits and Systems I: Regular Papers (2016–2019), the Associate Editor for the IEEE Trans. on Circuits and Systems II: Express Briefs (2011–2013), the Associate Editor for the IEEE Trans. on Very Large Scale Integration (VLSI) Systems (2013–2014), and the Journal of Low Power Electronics (since 2009). He has served as the TPC Co-Chair of ISICAS 2020, the General Co-Chair of ASP-DAC 2014; Program Co-Chair for FPT 2010 and FPT 2013; Chair of the Singapore Chapter of the IEEE Circuits and Systems (CAS) Society (2011 and 2012); Member of ASP-DAC Steering Committee; and Member of IEEE CAS VLSI and Applications Technical Committee. He has been the Program Committee Member for a number of well-known conferences in the fields of FPGAs and design tools, such as DAC, DATE, ASP-DAC, FPGA, FPL and FPT. He is the recipient of two IEEE/ACM Best Paper Awards. He is a senior member of IEEE.