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Venture capital firm

Reaction Fund

Global investment community scaling innovations in health technology and climate across two funds

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About Reaction Fund

Reaction Fund is the investment arm of Reaction, a worldwide community of executives and thought leaders. The group was founded by more than 200 Stanford alumni across 47 countries, and it aims to improve a billion lives within a decade by scaling innovations.

What Reaction Fund does

  • Fund I, W250 Venture: invests in proven leaders with world-changing potential and scales their innovations globally, with attention to health technology and climate.
  • Fund II, Climate Innovations: takes Stanford climate innovations to the industries they can affect, to speed the path to net zero.
  • Thought leadership: publishes essays such as Green Inflation, Impact Currency and the health footprint.
  • Community leverage: draws on its member network to help solutions scale.

Who it works with

The fund targets founders and leaders whose innovations could solve pressing global problems but might otherwise not reach the markets that need them.

Key facts

  • Founded by: Stanford alumni executives
  • Funds: two, named W250 Venture and Climate Innovations
  • Goal: improve a billion lives within ten years

Profile written by TrustList from the business's own published information, Oct 2026.

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