Brian Armstrong

  • Coinbase
    Founder

    Coinbase.com

    A electronic wallet for the digital currency bitcoin. Went through Y Combinator’s Summer ‘12 batch and raised a 600k seed round.

  • Airbnb
    Employee

    Airbnb.com

    Here I worked on fraud prevention, the photography program, and internal tools to help scale the business.

  • University Tutor
    Founder

    UniversityTutor.com

    One of the largest free tutor directories, UniversityTutor is used by over 100,000 students and tutors each month.

  • Ribbot
    Founder

    Ribbot.com

    Ribbot lets you create better online discussion forums with reputation based communities and crowd sourced content.

  • Bitcoin Android
    Side Project

    Bitcoin Android

    Send and receive bitcoins from your mobile phone. This was my first experiment with Bitcoin and my first Android app. It’s no longer supported as I’ve switched my focus over entirely to Coinbase.com.

  • CarWoo!
    Employee

    CarWoo!

    An online marketplace for car buyers. I joined as employee #2 after they finished YCombinator and helped build various parts of the product in the early stages.

  • TheBookr
    Contract Job

    TheBookr

    Direct to talent booking for the fashion industry. Was hired by Joyce Hu to build this site - a great idea to disrupt expensive agencies in the fashion industry.

  • MyBestPic
    Side Project

    MyBestPic.org

    This was an experiment in inherent virality and Facebook integration that I did. Users ask their friends to help them select the best photo for their profile.

  • BuyersVote
    Founder

    BuyersVote.com

    Collaborative online reviews. BuyersVote lets users collaborate to build lists of the best stuff. Now dormant.

  • FeedmailPro
    Founder

    FeedmailPro.com

    Convert your RSS feed (blog posts) into an email newsletter. This project saw some nice traction but I ended up closing it down and transferring all customers to MailChimp.

  • InboxSeo
    Contract Job

    InboxSeo.com

    Track your website’s ranking in search engines across a variety of keywords. This was a contract job I did for Chad DePue while living in Buenos Aires.

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