Guide Startups

AfterQuery

Winter 2025 · Active

Research lab investigating the boundaries of AI capabilities.

Website

Location: San Francisco, US

Founded: 2024

Team size: 20

Industries:

About

AfterQuery is a research lab (backed by Y Combinator) investigating the boundaries and capabilities of artificial intelligence through novel datasets and experimentation. We believe that pushing the frontiers of AI requires both rigorous scientific inquiry and exceptional human data.

Founders

  • Danny TangCo-Founder

    Building AfterQuery. He was previously a student at Wharton and interned at Morgan Stanley where he worked on the largest IPO of 2024. Built and sold a startup with Spencer, in high school.

    LinkedIn

  • Carlos GeorgescuCo-Founder

    Building AfterQuery. Previously interned at Citadel Securities (2x), Meta & Google as a software engineer. Past acquired ed-tech founder. Studied for a B.S. in Computer Science from the University of British Columbia.

    LinkedInTwitter

  • Spencer MateegaCo-Founder

    Building AfterQuery. Previously interned in technology private equity at Silver Lake, technology investment banking at Morgan Stanley, and software engineering at Meta and Google. Built and sold a startup with Danny, in high school. Studied for a B.S. in Finance and Statistics at Wharton and a M.S. Computer Science at Penn.

    LinkedInTwitter