Zack Isaacson

Venture Partner, Rackhouse Venture Capital
Zack Isaacson builds engineering teams for deep‑tech startups, scaled Sumo Logic from two founders to 350+, hired engineers at Box, Cloudera, Playdom and Zendesk, and co‑founded a Reid Hoffman‑backed firm.
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Nordics
Zack Isaacson
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AI
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SaaS
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About Zack Isaacson

Zack Isaacson is a Venture Partner at Rackhouse who also runs Pac Heights Partners, a firm focused on building software engineering teams for deep-tech startups, drawing on experience recruiting early teams at Sutter Hill Ventures and helping scale Sumo Logic from two founders to over 350 employees. His work spans hiring engineers for companies like Box, Cloudera, Playdom, and Zendesk, and he co-founded Sweat Equity Ventures, a firm backed by Reid Hoffman, giving him a distinct footprint in both technical team-building and the Bay Area venture world.

About their Fund

Rackhouse Venture Capital

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AI, Data, Enterprise, Logistics, SaaS
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Rackhouse Venture Capital was founded by Kevin Novak, Uber's first Head of Data Science and inventor of its dynamic pricing product, and the firm focuses on backing pragmatic founders who use AI to solve real-world, often overlooked problems in areas like supply chain, manufacturing, construction, and corporate travel rather than chasing generic AI hype. It looks for founders who already know their first customers and can turn AI into usable products, and it invests not just in the Bay Area but across the U.S. and in other regions, including East Africa.

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