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AfterQuery

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Applied research lab curating data solutions for foundation model…

Winter 2025Founded 202530 peopleSan Francisco, CA, USA

About

AfterQuery is an applied research lab curating data solutions for frontier foundation model development. Serving every frontier AI lab.

Founders Β· 2

Carlos Georgescu
Carlos GeorgescuCo-Founder
GoogleMetaColumbiaπŸŽ“ University of British Columbia

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 MateegaCo-Founder
GoogleMetaUPenn

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.

Launch

Launched on Y Combinator Β· Feb 2025
View launch post β†—

Powering AI models with expert-level human data

AfterQuery provides high-quality, expert-created training data for AI models, focusing on post-training/fine-tuning data, RLHF data, and custom benchmarks. The platform assembles professionals to produce datasets on demand for domains like finance, law, and enterprise software, aiming to improve model usefulness and accuracy for specialized tasks.

Formerly β€œCronus”

B2BInfrastructureArtificial IntelligenceB2BData LabelingBig DataAI

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