# Kaledora Kiernan-Linn

> Kaledora Kiernan-Linn is the co-founder and CEO of Ostium, an onchain exchange for trading perpetual futures on real-world assets like oil, metals, equity indices and FX. A former professional ballet dancer who performed at the Royal Danish Ballet before studying neuroscience at Harvard, she met her cofounder running arbitrage strategies out of a Cambridge hacker house and built Ostium into the category leader for 'perpetual-ified' traditional assets. In December 2025 the company raised a $20M Series A led by General Catalyst and Jump Crypto at a roughly $250M valuation, and she was named to the Forbes 30 Under 30 list in Finance the same year.

- **Role:** Co-Founder & CEO at Ostium
- **Organizations:** Ostium, Ostium Labs
- **Nationality:** American
- **Education:** Neuroscience, Harvard University, Professional ballet dancer (company member), Royal Danish Ballet
- **Known for:** Co-founded and leads Ostium, an onchain exchange for perpetual futures on real-world assets, Raised a $20M Series A in December 2025 led by General Catalyst and Jump Crypto, valuing Ostium at roughly $250M, Earlier raised about $7.5-8M, including a $3.5M round, from backers including Susquehanna International Group

## Career timeline

- **Teens** — Joined the Royal Danish Ballet as a teenager; danced professionally for four years
- **2022** — Co-founded Ostium with Marco Antonio Ribeiro after running arbitrage strategies out of a Cambridge hacker house
- **2023** — Ostium raised $3.5M and launched its real-world-asset trading hub; spoke at Chainlink's SmartCon 2023
- **2025** — Named to Forbes 30 Under 30 in Finance; described as a 'completely insane breakout year' for Ostium
- **2025-12** — Closed a $20M Series A led by General Catalyst and Jump Crypto at a roughly $250M valuation
- **2026** — Declared Ostium's 'year of scale,' targeting the offshore CFD broker market

## Achievements

- Co-founded and leads Ostium, an onchain exchange for perpetual futures on real-world assets
- Raised a $20M Series A in December 2025 led by General Catalyst and Jump Crypto, valuing Ostium at roughly $250M
- Earlier raised about $7.5-8M, including a $3.5M round, from backers including Susquehanna International Group
- Attracted Coinbase Ventures, Wintermute and GSR as investors
- Named to the Forbes 30 Under 30 list in Finance (2025)
- Built the category for 'perpetual-ified' real-world assets onchain

## Latest updates

- **2025-12** — Ostium raised a $20M Series A led by General Catalyst and Jump Crypto; Kaledora named to Forbes 30 Under 30 in Finance.
- **2026-02** — In interviews she predicted DeFi will disrupt the global CFD broker market within five years and called 2026 Ostium's 'year of scale.'
- **2026-04** — Ostium pushed CFD-style trading further onchain, handing custody to traders instead of brokers.

## Links

- Website: https://ostium.com
- LinkedIn: http://www.linkedin.com/in/kaledora
- Twitter/X: https://twitter.com/kaledora
- YouTube: https://www.youtube.com/watch?v=hoz8QkA4084
- Instagram: https://www.instagram.com/kaledora/

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Profile page: https://yespress.io/kaledora-kiernan-linn
Published by YesPress — https://yespress.io
Last updated: 2026-06-11