Spencer Mateega

Spencer Mateega co-founded and leads AfterQuery, developing training data and benchmarks for frontier AI models. His work spans financial reasoning and software evaluation, drawing on experience in software engineering and technology finance; he previously co-founded Synced and Byt.

Career

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Based in: San Francisco
Elsewhere

AfterQuery

Jan 2025 — Present

Co-Founder and CEO

Google

Aug 2024 — Nov 2024

Software Engineering Intern

Silver Lake

Jun 2024 — Aug 2024

Technology Private Equity Summer Analyst

Morgan Stanley

May 2023 — Aug 2023

Technology Investment Banking Summer Analyst

University of Pennsylvania

M.S. in Computer Science

The Wharton School

B.S. in Finance and Statistics

Y Combinator

Products & media

arxiv.org

FinanceQA: Evaluating Financial Analysis by Language Models

Co-authored with Carlos Georgescu and Danny Tang, this benchmark tests numerical reasoning, accounting conventions and analysis under incomplete information.

Writing

arxiv.org

UI-Bench: Evaluating AI-Generated Interface Design

Research with Sam Jung and Agustin Garcinuno on comparing the visual design of AI-generated websites using expert judgments and an open evaluation framework.

Writing

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Spencer Mateega

AfterQuery

Google

Silver Lake

Morgan Stanley

Meta

University of Pennsylvania

The Wharton School

Y Combinator

Products & media

FinanceQA: Evaluating Financial Analysis by Language Models

UI-Bench: Evaluating AI-Generated Interface Design

Curated Lists

List Inclusions