Zhicheng Sun
Research Scientist at Pika
Palo Alto, California, United States
Summary
🤩
Rockstar🎓
Top SchoolZhicheng Sun is a research scientist with a PhD from Peking University and eight years of experience building cutting-edge generative and continual learning systems. Based in Palo Alto, he has shipped realtime agent and avatar models (PikaStream01, Nova01/02) and multiple video generation releases at Pika, following impactful research internships at Kuaishou that produced Pyramid Flow (ICLR’25), Video-LaVIT (ICML’24 Oral), and a NeurIPS’24 personalized generation method. His work bridges multimodal foundational pretraining and rapid open-world adaptation, focusing on practical, real-time deployment of large generative models. He combines deep academic training under Prof. Yadong Mu with product-oriented engineering, routinely moving ideas from papers to production. An understated strength is his emphasis on continual learning mechanisms that let models accumulate knowledge over time, enabling long-lived interactive agents.
8 years of coding experience
Doctor of Philosophy - PhD, Data Science, Doctor of Philosophy - PhD, Data Science at Peking University
Github Skills (11)
diffusion-models9
survey5
text-to-image5
multimodal3
deep-learning3
artificial-intelligence3
computer-vision3
point-cloud3
image-generation2
acceleration2
java1
Programming languages (5)
Github contributions (5)
feifeiobama/Awesome-Continual-Learning
Mar 2023 - Oct 2024
Contributions:5 PRs, 63 pushes, 2 comments in 1 year 7 months
jy0205/Pyramid-Flow
Oct 2024 - Mar 2025
Code of Pyramidal Flow Matching for Efficient Video Generative Modeling
Contributions:1 review, 21 PRs, 47 pushes in 5 months
diffusion-modelsflow-matchingvideo-generation
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