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AfterQuery

AfterQuery

Winter 2025

Research lab investigating the boundaries of AI capabilities.

Artificial IntelligenceB2BData LabelingBig DataAI

About Company

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.

Active Founders

Danny Tang

Danny Tang

Co-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.

Carlos Georgescu

Carlos Georgescu

Co-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.

Spencer Mateega

Spencer Mateega

Co-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.

Company Facts

LocationSan Francisco, CA, USA
Team Size20
Founded2025
StatusActive