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Korso

YC X26

Los Angeles, US · Founded 2026 · 3 employees · 1 known investors

Korso AI is a quantitative trading firm that develops data, measurement, and trading systems for financial markets. The company also offers open-source and beta products including Shepherd (agent coordination tool), programmatic trading APIs, and Korso Research (an AI-native research workspace).

Also known as afterfive

Founders & leadership· Y Combinator alumni (X26)

Korso was founded in 2026 by Daichi Hiraoka, Alex Liu, and Martin Pan.

DHDaichi Hiraoka
Daichi HiraokainCo-FounderDaichi Hiraoka is founder of Korso, which develops data systems and trading infrastructure for financial markets.
ALAlex Liu
Alex LiuinCo-FounderFounder of Korso, a quantitative trading firm building data, measurement, and trading systems for financial markets, along with tools such as Shepherd, programmatic trading APIs, and an AI-native research workspace.
MPMartin Pan
Martin PaninCo-FounderMartin Pan holds bachelor's and master's degrees in mechanical engineering and robotics from the University of Pennsylvania. He previously worked as an automations engineer at General Motors.

Investors · 1

Competitors · 1

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Frequently asked questions

What does Korso do?
Korso AI is a quantitative trading firm that develops data, measurement, and trading systems for financial markets. The company also offers open-source and beta products including Shepherd (agent coordination tool), programmatic trading APIs, and Korso Research (an AI-native research workspace).
Who founded Korso?
Korso was founded by Daichi Hiraoka, Alex Liu, Martin Pan in 2026.
Who are Korso's investors?
Korso's investors include Y Combinator.
Where is Korso headquartered?
Korso is headquartered in Los Angeles, US.