Steve Xie

Steve Xie is the founder and CEO of Lightwheel, a physical AI infrastructure company building simulation and synthetic data systems that teach robots to learn and operate in the real world. A physicist by training with a Columbia PhD, he led autonomous driving simulation at Cruise, NVIDIA, and NIO before starting Lightwheel in 2023. The company supplies SimReady 3D assets, egocentric human data, and robot evaluation tools to labs including NVIDIA, Google DeepMind, and Figure, and raised roughly $137.5 million in 2026 to expand its data and evaluation infrastructure.