Jopwell Archives

Spero Investment Thesis

Spero Ventures’ Low-Cost Hardware POV: Part 3

by Nolan Shah , Sara Eshelman , Andrew Parker , Shripriya Mahesh , Marc Tarpenning and Stephen Wemple • May 12, 2026

Celebrating low-cost hardware in our portfolio.

Spero Investment Thesis

Spero Ventures’ Low-Cost Hardware POV: Part 2

by Sara Eshelman , Nolan Shah , Andrew Parker , Shripriya Mahesh , Marc Tarpenning and Stephen Wemple • May 5, 2026

Complexities of low-cost hardware.

Spero Investment Thesis

Spero Ventures’ Low-Cost Hardware POV: Part 1

by Sara Eshelman , Nolan Shah , Stephen Wemple , Andrew Parker , Shripriya Mahesh and Marc Tarpenning • Apr 28, 2026

Spero Investment Thesis

Why We Invested in Sora Fuel

by Stephen Wemple and Marc Tarpenning • Apr 8, 2026

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

Spero Investment Thesis

Why We Invested in Wattch

by Stephen Wemple and Marc Tarpenning • Aug 7, 2025

Leading Wattch's $6M Seed round.

Spero Investment Thesis

Why We invested in Telo Trucks

by Marc Tarpenning and Stephen Wemple • Mar 14, 2024

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

Podcasts

Marc: Co-founding Tesla

by Marc Tarpenning • Sep 23, 2022

Spero Investment Thesis

Why We Invested in Singularity

by Marc Tarpenning • May 24, 2022

Leading Singularity's $4.5M Seed round.

Writing

The future of breathing + Node-S

by Marc Tarpenning • Oct 21, 2021

Discover how hyperlocal air quality impacts your health and well-being, and explore the groundbreaking solution addressing pollution in neighborhoods worldwide.

Writing

Little-known Tesla Lore

by Marc Tarpenning • Jul 8, 2021

Discover how the humble lithium-ion battery, created to power camcorders, evolved to disrupt the automotive industry and power the electric vehicle revolution.

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