
A prominent Silicon Valley investor says he will only fund startups where employees work in the office six days a week, arguing that intensity and constant collaboration are now required to win in the AI era. The stance reflects a broader cultural shift in tech, where figures including venture capitalists and large tech company leaders are publicly linking high work hours to competitive success, marking a reversal of earlier predictions that AI would usher in shorter workweeks.
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Jason Lemkin, founder of the SaaStr community, said he will only invest in startups where small teams work in the office six days a week. He argues that as AI allows companies to accomplish more with fewer people, the winners will be those with highly collaborative on-site teams, not remote workers putting in 15–20 hours.
Why it matters
The comment reflects a broader shift in AI-era startup culture, where intensity is becoming a competitive requirement. Lemkin frames the choice as binary: employees can earn in the $100 million(約160億円) range by committing to the pace of high-growth startups, or accept lower compensation and flexibility at established companies. For founders, this signals that investor backing increasingly depends on demonstrating a demanding work culture.
What to watch
Lemkin is not alone—other prominent figures including Harry Stebbings and Google co-founder Sergey Brin have publicly endorsed similar intensity. Brin reportedly told Gemini AI team members that roughly 60 hours a week represents the "sweet spot" for productivity. These statements may signal how venture capital increasingly evaluates startup viability in the AI race.
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