Open learning and builder community
Superlinear Academy
A free community where projects, specific questions, first-hand experience, feedback, and opportunities circulate.
WebsiteAbout 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.
His defining belief is MAKE WHAT LASTS: make work that keeps creating value and clearly bears its maker's judgment and craft. He has placed his own work, and Superlinear Academy, under the same standard.
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 recordStatsig was acquired by OpenAI in 2025, after Yuzheng had left the company. OpenAI acquisition announcement
Cornell University
PhD in Economics
Amazon
Economist
Meta
Data Scientist
Tencent IEG
Vice Director, Data & AI
Statsig
Principal Data Scientist and sole evangelist
Superlinear Academy & AI Builders
Founder
Current work
What he is building now
Superlinear is the academy he has chosen to build for the long term. It now includes a free community, structured learning through AI Builders, a year-round membership, and enterprise AI programs.
Long-term AI learning system
AI Builders
Co-taught with Yage, it translates understanding across models, engineering, products, and organizations into capabilities learners can practice, correct, and transfer to their own problems.
WebsiteLong-term membership
Stay Superlinear membership
A paid, year-round content and practitioner environment with deep analysis, guest masterclasses, Q&A, courses, Skills, recordings, discussion, and a searchable archive. Yage is the long-term teaching partner responsible for much of its technical depth.
WebsiteOrganizational practice
Enterprise AI programs
Work with teams to connect AI capability to real workflows, evaluation, ownership, incentives, and organizational constraints.
WebsiteBooks and conversations
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.
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 August 1, 2026. Changing figures retain their check date.