Hardware Podcasts

Nick Terzulli of Fellow on inventing Espresso Series One, why home espresso has stagnated for decades, and the physics of heating water on 120V.

Go/No-Go · 14 Apr 2026 · 40m

What this episode covers

Nick Terzulli, VP of R&D at Fellow, explains how he designed the Espresso Series One to overcome the thermal and pressure instability inherent in 120V home espresso machines. He details the novel three-stage heating architecture that achieves commercial-level stability with a two-minute heat-up time, a breakthrough for which he holds the sole utility patent. Terzulli also discusses the extreme difficulty of designing coffee burrs from scratch, the role of firmware and OTA updates in building a user community, and his journey from medical device engineering to becoming a barista to understand the craft.

Most relevant to

companies scaling up

Topics

Mentioned

Companies
Fellow, Stryker, Dextera, Seneso
Products
Espresso Series One, Ode Brew Grinder, Aiden Precision Coffee Maker
Materials
PPS

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