I am a principal research scientist at NVResearch. My current research interest is efficient Large Language Model (LLM) and Vision Language model (VLM). Before joining NVidia, I was a TLM at Google Deepmind where I worked on reinforcement learning, imitation learning on embodied AI. I co-led "SayCan", "RT-1", "RT-2", "RT-X" etc. that have been featured extensively by media, such as New York Times, Washington Post, Forbes, Reuters, TechCrunch, The WIRED, etc.