Ed Hallen | $1B+

Billionaire

Aug 5

Get in touch with Ed Hallen | Ed Hallen is the co‑founder and Chief Product Officer (later Chief Strategy Officer) of Klaviyo, the Boston-based SaaS platform powering email/SMS marketing and customer data for over 100,000 brands, including Unilever and Citizen Watches . A systems engineering graduate from UVA and MIT Sloan MBA, he previously led product at Applied Predictive Technologies and held roles at Google before launching Team Engine in 2018.

Ed Hallen is cofounder and chief product officer of Klaviyo, which sells marketing automation software.
The firm raised more than $500 million from venture capitalists and made a gross profit of $675 million in 2024.
Klaviyo was one of the first tech firms to test the IPO waters after a market downturn; it went public in 2023.
In 2017, Hallen stepped away from a full-time role at Klaviyo to start HR automation firm Team Engine, but rejoined in 2021 as chief product officer.
Before Klaviyo, he worked at a business analytics software firm. He holds a degree in systems engineering from the University of Virginia and an MBA from MIT.

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