Jiahao Zhang is currently a first-year PhD student at the College of Information Science and Technology (IST), The Pennsylvania State University, under the supervision of Prof. Suhang Wang. From 2022 to 2024, he graduated with an M.Phil. degree at the Department of Computing (COMP), The Hong Kong Polytechnic University (PolyU), where he was jointly supervised by Prof. Wenqi Fan and Prof. Qing Li. He graduated from East China Normal University (ECNU) with a B.Eng. degree in Computer Science and received the Outstanding Graduates Award in 2022.

From 2021 to 2022, he was a research intern of the AI Education group and the OpenMMLab group in the Shanghai Artificial Intelligence Laboratory. In 2022, he also participated as a research intern in the THU-UW ACSP Summer Program. He has published some research papers in journals and conference proceedings during his undergraduate and master’s studies [Google Scholar].

Email: jiahao.zhang@psu.edu, zjh20000218@163.com, tony-jiahao.zhang@connect.polyu.hk, 10185102243@stu.ecnu.edu.cn

Research Interest

Data Mining and Machine Learning, with a particular focus on:

• Graph Neural Networks
• Recommender Systems
• Trustworthy Machine Learning
• CV, Affective Computing, etc.

Professional Services

• Conference PC Member / Reviewer: AAAI’23, AAAI’24, AAAI’25, WWW’24 (Artifact Badging), WISE’24, KDD’25, WWW’25 (Demo Track)
• Journal Reviewer: IEEE Transactions on Knowledge and Data Engineering (TKDE), ACM Transactions on Knowledge Discovery from Data (TKDD), ACM Computing Surveys (CSUR), IEEE Transactions on Artificial Intelligence (TAI)
• Workshop PC Member / Reviewer: International Workshop on Learning with Knowledge Graphs @ WSDM’23, Large Language Models for Graph Learning Workshop @ WWW’24
• Subreviewer: CIKM’22, WSDM’23, WWW’23, SDM’25, SIGIR’25

Awards

• Outstanding Graduates of the East China Normal University, 2022
• Best Poster Award - PolyU COMP Research Student Conference, 2024
• Excellent Reviewer of KDD’25, 2025