Fan-Yun Sun in

Fan-Yun Sun

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Cofounder & CEO at Moonlake AI
📍 Stanford, California, United States

Fan-Yun Sun is the Cofounder and CEO of Moonlake AI, a venture-backed startup that recently raised a $28M seed round. Concurrently, he is a final-year Computer Science PhD candidate at Stanford University, focusing on generating 3D environments to train AI agents. His background includes research at NVIDIAs autonomous vehicle and perception groups.

Outside of his core research, Fan-Yun has a passion for building AI applications to experiment with new ways of creating content. He has also enjoyed hosting conferences and bootcamps, showing an interest in community building and applying intentional design principles to elevate his experiences.

He believes that large-scale interactive worlds are the next paradigm for AI, providing a solution to the current scarcity of high-quality training data.

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Experience
6 Years
Current Role
Cofounder & CEO
Job Level
Leadership
Location
Stanford, California, United States
Personality Overview

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Priorities

Topics Fan-Yun cares about

Interactive 3D Worlds
He co-founded Moonlake AI to build reasoning models that generate interactive worlds from natural language, aiming to democratize creation for developers, researchers, and hobbyists.
Reinforcement Learning
His research focuses on generating 3D environments and data specifically to train robotics and reinforcement learning policies, a core tenet of his startup.
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Career

Work history

5-2025
Cofounder & CEO
Moonlake AI
12-2020 - 5-2025
PHD Candidate
Stanford University
6-2022 - 1-2025
Research Scientist
NVIDIA
6-2020 - 11-2020
RL Researcher
MaiCoin, Ltd.
1-2019 - 5-2019
Visiting Researcher
Mila - Quebec Artificial Intelligence Institute
In the press

Media appearances

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Education
Doctor of Philosophy - PhD
Stanford University
Bachelor's degree
National Taiwan University
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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