Charlie Guo

Staff AI Engineer | Newsletter Author | YC Founder

berkeley, california, united states

Is this you?

Claim your profile to connect with sources, showcase your work, and earn extra income just by writing great stories.

About

AI Engineer with 10+ years of experience building products and internal tools from scratch. Expert in Python backends with a track record of developing internal tools and automation systems that save hundreds of hours of manual work. Previously cofounded startups backed by YCombinator, 500 Startups, and StartX. Creator of Artificial Ignorance newsletter with 16,000+ subscribers, including readers from major tech companies. Passionate about applying cutting-edge AI models to solve real business problems, while applying emerging best practices in evals, RAG (retrieval augmented generation), prompt engineering, and tool usage/agentic workflows.

Bylined Articles

HARO Queries

Portfolio

Is this you?

Claim your profile to connect with sources, showcase your work, and earn extra income just by writing great stories.

Claim your profile

Social Media

LinkedIn X

Social Media

Pitching Guidelines

Keep it short (under 200 words)
Include credentials and links
Use subject lines with query title

Pitching Guidelines

Quick Stats

Followers

1K +

Articles0

Last ArticleN/A

Stats

Education

Bachelor Of Science, Computer Science at Stanford UniversityGraduated: 2013

Education

Charlie Guo

Is this you?

About

Is this you?

Social Media

Education

Connect with journalists.

Connect with journalists.

Social Media

Education