Press kit

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Biography — one line

Alex Roessner is co-founder of Landseed PBC, building measurement infrastructure for ecological markets.

Biography — short (50 words)

Alex Roessner is co-founder of Landseed PBC, where he is building measurement infrastructure for ecological markets. He founded the Roessner Restoration Initiative, a 501(c)(3) operating across four continents, and serves as Vice President of the Savia Foundation. Northwestern University, Class of 2025. Based in New York.

Biography — medium (150 words)

Alex Roessner is co-founder of Landseed PBC, where he is building measurement infrastructure for ecological markets. He works at the intersection of conservation, capital markets, and sovereign infrastructure — co-authoring a forthcoming paper on cetacean re-identification and writing on the unauditable structure of voluntary carbon markets in the Dhaka Courier.

He founded the Roessner Restoration Initiative, a 501(c)(3) operating field projects across Sumatra, Madagascar, the Chocó, Patagonia, and Dominica; serves as Vice President of the Savia Foundation; and is Managing Partner of Mythos Liquid Capital, a systematic digital asset hedge fund. Northwestern University, Class of 2025 (Economics + Environmental Policy, Division I baseball, Trienens Institute Grad to Watch). Based in New York. Mandarin proficient.

Pull quotes — available for use

Free to quote with attribution to Alex Roessner. Permalinks at /quotes.

• Markets in valuable things do not work unless an independent party, with no stake in the outcome, performs the measurement.

  — The Unauditable Market

• Most professional self-presentation in 2026 is testimony. The architecture of useful work bends toward evidence.

  — On evidence and testimony

• The mark was evidence: a physical operation on the metal that survived its maker. The assayer's testimony alone was not sufficient. Civilization built itself on the difference.

  — On evidence and testimony

• The work was recoverable. The architecture was not. The architecture required that the work be hostage. As soon as the architecture is not the work, the architecture is wrong.

  — On owning your stack

• Inherit nothing you would not survive losing.

  — On owning your stack

• Voluntary carbon markets price estimates, not measurements.

  — Earth Markets

Affiliations

• Landseed, PBC — co-founder. landseed.earth · Wikidata Q139583606
• Roessner Restoration Initiative — founder. rrinitiative.org · Wikidata Q139583605
• Savia Foundation — vice president. saviafoundation.org · Wikidata Q139583613
• Mythos Liquid Capital — managing partner. mythosliquidity.com · Wikidata Q139583603

Identity & verification

• Wikidata: Q139583554
• ORCID: 0009-0006-8150-6899
• Bluesky: @aroessner.com (DID did:plc:tthu4locyhhkpxdj2ia7vchl)
• Mastodon: @aroessner@mastodon.social
• X: @alex_roessner
• Machine-readable identity: whoami.json · wikidata-index · resume.json · vCard

Contact

• Email: alex.roessner@landseed.earth
• Bio: aroessner.com
• Selected work: git.aroessner.com