Our Team

Reaction is all about the people.

From our close knit team of investors to our global partner network we are on a mission to improve a billion lives this decade.

Core Team

  • Dan Matthies, CFA CAIA

    MANAGING PARTNER, in
    New York
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  • Henko Haasbroek, CAIA

    MANAGING PARTNER, in
    London
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  • Natasha Thomas

    PARTNER EXPERIENCE, in
    Singapore
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  • Sandy Chapman

    VP, MARKETING & PLATFORM, in
    Silicon Valley, USA

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  • Jordan Deasy

    VENTURE FELLOW, in
    California, USA

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Investment Team

  • Charles Froland

    GENERAL PARTNER, Profile
    Silicon Valley, USA

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  • Mike Dorsey

    GENERAL PARTNER, Profile
    Silicon Valley, USA

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  • Irmak Ersöz

    INVESTMENT ASSOCIATE PARTNER, in
    Silicon Valley, USA

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  • Henko Haasbroek

    GENERAL PARTNER, in
    London, UK

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  • Prenara Vaidya

    GENERAL PARTNER, in
    Silicon Valley, USA

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  • Enrico Carbone

    GENERAL PARTNER, in
    Silicon Valley, USA

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Board of Directors

  • Carlos Moreira - Chair

    VC, ENTREPRENEUR, MEDIA EXECUITIVE, in
    Silicon Valley, USA

  • David Suarez - Director

    STRATEGY AND EDUCATION EXECUTIVE, in
    Dubai, United Arab Emirates

  • Rui Barros - Director

    FINANCE EXECUTIVE, in
    Porto, Portugal

  • Howie Xu - Director

    CHIEF AI OFFICER, ENTREPRENEUR, VC, in
    Silicon Valley, USA

  • Sabina Lagerkranser - Director

    CLIMATE TECH EXECUITIVE, in
    Zurich, Switzerland

  • Claudio Sassaki - Director

    FOUNDER AND CEO, INNOVATOR, in
    Silicon Valley, USA

Reaction Think Tank

  • Olga Paxson

    HEAD OF THINK TANK, in
    Washinton D.C, USA
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  • Matt Abrahams

    COMMUNICATIONS STRATEGIEST, Profile
    Stanford, USA
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Champions, Advisors & Fellows

  • Ryann Price

    BOARD ADVISOR, in
    Stanford, USA

  • Angela Sun

    BOARD ADVISOR, in
    New York, USA

  • James Summerfield

    BRAND AND IDENTITY, in
    New York, USA

  • Annabelle Williams

    GLOBAL COMMUNICATIONS, in
    Sydney, Australia

  • Rachel Zhang

    MARKETING MAVEN, in
    Silicon Valley, USA

  • Rahul Bhandari

    INVESTMENT ADVISOR in
    Washington DC, USA

Founding Board Members

  • Claudia Mitchell

    HEALTH SCIENTIST, ENTREPRENEUR, CEO, in
    Tokyo, Japan

  • Markus Sieger

    PHARMACEUTICALS CEO, ENTREPRENEUR, in
    Zurich, Switzerland

  • Singari Seshadri

    INNOVATION LEADER, in
    Silicon Valley, USA

  • Pedro Testa

    PARTNER, ENTREPRENEUR, FARMER, in
    São Paulo, Brazil

Our Community

Our global partner community distinguishes us as an exponential change-making network.

225 Partners across every global region