Profile 8 min read

Lessons from Sebastian Barrios

Sebastian Barrios, Roblox’s SVP of Engineering and a former Mercado Libre technology leader, favors fast-shipping cultures with unusually few product managers per engineer. His experience links executive communication, massive deployment volumes, and platform design that accelerates development.
Profile 8 min read

Lessons from Sean Ellis

Sean Ellis, entrepreneur, investor, and author of Hacking Growth, coined “growth hacking” and developed the ICE prioritization method and 40% product-market fit test. His work reframes startup marketing around experimentation, activation, retention, and sustainable acquisition.
Profile 8 min read

Lessons from Sam Schillace

Sam Schillace, co-creator of Writely, the web application that became Google Docs, developed engineering-management frameworks across Google, Box, and Microsoft. His perspective connects system design, large-language-model products, adaptation to new technology, and the practical value of optimism.
Profile 7 min read

Lessons from Sachin Kansal

Sachin Kansal, Uber’s Chief Product Officer, oversees mobility and delivery products used by millions. Through “extreme dogfooding,” he drives and makes deliveries himself, exposing friction firsthand and sharpening a practical approach to rapid iteration and marketplace safety.
Profile 8 min read

Lessons from Ryan Singer

Ryan Singer, a longtime Basecamp design and product leader, created Shape Up to replace open-ended development with fixed time boxes and strict problem boundaries. His method connects constraints, Jobs-to-be-Done, and the practical mechanics required to ship software.
Profile 8 min read

Lessons from Ryan Hoover

Ryan Hoover, founder of Product Hunt, popularized building in public and showed founders how to validate ideas with an audience before writing code. His playbooks connect that early validation to user acquisition, product design, and early-stage investing.
Profile 9 min read

Lessons from Ronny Kohavi

Ronny Kohavi built experimentation platforms for Amazon, Microsoft, and Airbnb, enabling thousands of A/B tests. His methods show how to evaluate metrics, detect bad data, and prevent executive opinion from overruling evidence of actual user behavior.
Profile 9 min read

Lessons from Robby Stein

Robby Stein, VP of Product for Google Search, advocates an “anti-lean” approach to core technology: invest deeply and uphold strict quality standards instead of rushing minimum viable products, especially when scaling user bases and integrating AI into search behavior.

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