About Yuzheng Sun

Yuzheng Sun孙煜征 · 课代表立正

Yuzheng Sun (孙煜征), also known publicly as 课代表立正, has a PhD in Economics from Cornell and is the founder of Superlinear Academy and AI Builders. He is based in Seattle.

Based in

Seattle / 西雅图

Education

Cornell PhD in Economics

Public name

课代表立正

Current role

Founder · Author

Background

He has worked as an economist, data scientist, and technology leader at Amazon, Meta, Tencent IEG, and Statsig. His work now spans AI education, communities, books, enterprise programs, and long-form public conversations.

Cornell Economics placement record

Statsig was acquired by OpenAI in 2025, after Yuzheng had left the company. OpenAI acquisition announcement

Cornell University

PhD in Economics

Amazon

Economist

What he is building now

Three related but separate efforts around learning, building, and doing substantive work with AI.

Open learning community

Superlinear Academy

A free community where people share AI resources, projects, questions, and what they are learning.

Website

Project-based learning program

AI Builders

A structured way to learn by building real AI workflows, products, and systems.

Website

Long-term membership

Stay Superlinear

A membership co-led with Yage for people who are already using AI in substantive work and want to keep improving together.

Website

Books and conversations

He is the co-author of Growth Data Analytics Playbook and the author of 真本事：从会工作到会赚钱. He also hosts the 课代表立正 channel and appears as a guest on other podcasts and video programs.

Books People Yuzheng has interviewed Programs where Yuzheng appeared as a guest

200+

public conversations hosted; this is a conversation count, not a count of unique guests

400K+

cross-platform audience

3,000+

paying learners across AI, data, and growth

Figures checked July 12, 2026.

Seattle / 西雅图

Sources and contact

Facts last reviewed July 21, 2026. Changing figures retain their check date.

Invite Yuzheng to a program Public source kit