Hello, I'm Harold.
I’m an Associate Professor of Computer Science at the School of Computing, National University of Singapore (NUS). I direct the Collaborative, Learning, and Adaptive Robots (CLeAR) Lab. My research interests are in human-AI/robot interaction, machine learning, and robotics. I’m particularly interested in developing trustworthy collaborative robots. Read more about my research, teaching or get in touch.
Latest News
Jul 2026
Awarded an NRF Investigatorship for Learning Persistent Agent-Centric Representations for Embodied AI.
25 Jun 2026
Gave an invited keynote at the RPL Summer School 2026 in Sweden.
11 Jun 2026
Gave an invited keynote at JNRH 2026, the Journées Nationales de Robotique Humanoïde, in Montpellier, France.
4 Jun 2026
CLeAR won Overall Champion at REAL-I 2026, the 1st Real-World Embodied AI Learning Challenge at ICRA 2026, plus 1st place in On-Site Tasks 1 and 3 in the official results.
22 May 2026
Our paper Conflict-Aware Additive Guidance for Flow Models under Compositional Rewards was accepted to ICML 2026; see the CLeAR summary.