• Subscribe
    • David Klein

    David Klein

    #2234250
    20 followers57 following
    7 points

    About

    CMO, Entrepreneur, Growth Hacker, Tinkerer, Coder, Designer, Conversion Expert, Analytics Deep Diver & Online Enthusiast.

    Work

    Founder & Leadership

    Links

    SHIFTSIG

    Interests

    Badges

    Tastemaker
    Tastemaker
    Gone streaking
    Gone streaking

    Maker History

    • Vatfy
      Vatfy
      Simplified EU VAT validation for B2B sales
      Mar 2021
      • 🎉
      Joined Product HuntNovember 29th, 2019