Ideas that move the mission forward

Explore our thoughts on investment, innovation, and mission.

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Marc Tarpenning

Stephen Wemple

Sara Eshelman

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Spero Investment Thesis

by Stephen Wemple and Marc Tarpenning • Apr 8, 2026

Co-leading Sora Fuel's $14.6M round.

Spero Investment Thesis

by Stephen Wemple and Marc Tarpenning • Aug 7, 2025

Leading Wattch's $6M Seed round.

Spero Investment Thesis

by Sara Eshelman and Nolan Shah • May 19, 2025

Leading Persist's Series A.

Spero Investment Thesis

by Stephen Wemple and Andrew Parker • Apr 24, 2025

Leading Euclid Power's Seed round.

Spero Investment Thesis

by Sara Eshelman • Oct 30, 2024

Co-leading Aralez Bio's $12M Series A.

Spero Investment Thesis

by Stephen Wemple • Jul 18, 2024

Leading Juno's $8.5M Series A.

Spero Investment Thesis

by Sara Eshelman • Jun 11, 2024

Leading Tiny Health's $8.5M Series A.

Spero Investment Thesis

by Marc Tarpenning and Stephen Wemple • Mar 14, 2024

Co-leading Telo's $5.4M seed round.

Spero Investment Thesis

by Stephen Wemple • Feb 20, 2024

Leading Eli's $6.8M Seed round.

Spero Investment Thesis

by Stephen Wemple and Shripriya Mahesh • May 23, 2023

Leading Remark's $5M Seed round.