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HOME/PEOPLE/PAUL KLEIN IV
// PERSON

Paul Klein IV

ROLE FOUNDER/CEOAT BROWSERBASEMENTIONS 6LAST SEEN OCTOBER 6, 2026
// BIO

Paul Klein IV is the founder and CEO of Browserbase, a San Francisco-based company that provides cloud-hosted web browser infrastructure for AI agents and applications. He previously co-founded Stream Club, a browser-based live-streaming company acquired by Mux in 2021, where he subsequently served as an engineering manager and director of self-service. He is best known for building developer infrastructure that enables AI agents to navigate websites, log in, and complete tasks on behalf of users, including the open-source Stagehand automation framework.

Discussed in
// RECENT MENTIONS
// SIGNALS
6 SIGNALS
01
mention·Newcomer Newsletter·OCTOBER 6, 2026

“Sapiom co-founder and CEO Ilan Zerbib and Browserbase co-founder and CEO Paul Klein IV made the case that the big opportunity in agentic commerce is agents that buy on behalf of businesses.”

02
mention·Newcomer Newsletter·OCTOBER 6, 2026

“Klein said agents will take over back-office work like accounts payable and accounts receivable. One Browserbase customer's agent recently made a $300,000 purchase on a credit card.”

03
mention·Sourcery Newsletter·OCTOBER 5, 2026
04
mention·Sourcery Newsletter·OCTOBER 5, 2026
05
product·Newcomer Newsletter·SEPTEMBER 30, 2026

“Klein IV said Browserbase is building a policy engine that lets an agent log into a website and look around without letting it buy anything”

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06
mention·Newcomer Newsletter·SEPTEMBER 30, 2026

“Klein noted that when agents log into a system on behalf of a user, it shouldn't inherit all of its user's privileges.”

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AI-extracted from podcast / newsletter / paper summaries. May contain errors.

Paul Klein IV · Founder/CEO at Browserbase — 6 mentions on Teahose