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Jeremiah Lowin

Founders to Watch · Fall 2026

Jeremiah Lowin

Founder and CEO

Prefect

Series B+ Workflow / orchestration
Why watch Lowin builds orchestration for data and AI workflows that fail in production when someone's cron job silently stops.

Jeremiah Lowin is founder and CEO of Prefect, a workflow orchestration company. He built risk systems at a hedge fund before starting it.

Modeling Stock Prices as an Undergraduate

Lowin completed a master's degree in statistics while still an undergraduate and wrote a thesis on a new class of models for measuring dependencies between stock prices, according to Prefect's profile of him. The thesis won top prizes from his department and the university.

Joining King Street's Risk Team in 2007

He joined the hedge fund King Street Capital in 2007 as the first member of its new risk team and found himself in the hot seat as the firm navigated the 2008 financial crisis. He eventually oversaw market risk and built tools for a large number of strategies and stakeholders.

On Madrona's podcast in 2021, Lowin talked about building a healthy open-source community around Prefect.

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