Jay Kwon in

Jay Kwon

Critic · DISC type C
Co-Founder at Stealth
📍 San Francisco Bay Area, United States

Jay Kwon is the co-founder of a stealth startup, recently backed by Y Combinator. He is a seasoned software engineer, previously at Google, where he worked on integrating cutting-edge AI like Gemini into Google Search. He holds a Masters in Computer and Information Technology from the University of Pennsylvania.

His background combines large-scale tech with specialized experience in bioinformatics, where he developed analysis pipelines for genomic data and trained machine learning models for clinical trials. He appears passionate about leveraging technology to build products that people genuinely want and need, a theme consistent throughout his career.

He and his co-founder, Vincent Park, just completed the Y Combinator W24 batch.

Read the full overview →
Experience
9 Years
Current Role
Co-Founder
Job Level
Leadership
Location
San Francisco Bay Area, United States
Personality Overview

How Jay shows up

ROI Driven
Negotiator
Precise

They are quite likely to negotiate on pricing or other key terms. They prefer to analyze logically and value objective facts over emotions. They don’t appreciate bells and whistles unless backed by data.

Priorities

Topics Jay cares about

AI-Driven Products
Currently building an AI-focused startup after his experience at Google bringing Gemini's Chain-of-Thought capabilities to Search.
Early-Stage Startups
As a recent Y Combinator graduate and co-founder, he is deeply involved in the process of building a new company from the ground up.
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Career

Work history

7-2025
Co-Founder
Stealth
4-2024 - 7-2025
Senior Software Engineer
Google
6-2020 - 4-2024
Software Engineer
Google
7-2018 - 8-2019
Bioinformatics Engineer
Corestem Inc
6-2016 - 7-2018
Full Stack Developer
ChunLab, Inc.
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education
2015 - 2020
Master of Computer and Information Technology
University of Pennsylvania
Education details unavailable
Y Combinator
Social presence
in
Behavioral profile

DISC profile (public)

C

Calculativeness (C)

Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.

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