AfterQuery

Stub active Updated Apr 9, 2026

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Location San Francisco, California
Founded 2025
Latest Stage Series A
Total Raised $30M+
Website https://www.afterquery.com
Sector
AI data expert-networks

Investors

y-combinator pre-seed (2025)
Altos Ventures series-a (2026)
BoxGroup pre-seed (2025)

Founders

Spencer Mateega Co-Founder
Carlos Georgescu Co-Founder

About

AfterQuery is a San Francisco-based AI research lab that assembles verified domain experts to create structured reasoning datasets for frontier AI model training 1. Founded in January 2025 by Spencer Mateega and Carlos Georgescu, the company has built a network of nearly 100,000 verified professionals across medicine, law, finance, and engineering 1. AfterQuery reports surpassing $100 million in annual revenue run rate and counts every major frontier AI lab as a customer 12.

Funding History

Date Round Amount Lead Co-investors
2026-04-09 Series A $30M Altos Ventures The Raine Group, Y Combinator, BoxGroup 12

What Investors Say

No verified investor quotes available at this time.

What Founders Say

No verified founder quotes available at this time.

Sources

  1. Tech Funding News, “AfterQuery raises $30M at $300M valuation from Altos Ventures as AI labs race for expert training data,” April 9, 2026. https://techfundingnews.com/afterquery-30m-series-a-expert-data/↩↩↩↩

  2. Morningstar / BusinessWire, “AfterQuery Raises $30 Million Series A Round at $300 Million Valuation,” April 9, 2026. https://www.morningstar.com/news/business-wire/20260409469482/afterquery-raises-30-million-series-a-round-at-300-million-valuation↩↩