Founders

@SlackHQ4 items

  1. Stewart Butterfield

    Co-founder of Slack and Flickr; startup investor

    1. Slack

      Co-founder, Chief Executive Officer and Chair

      2009-02 – 2022-12

    2. Flickr

      Co-founder and Chief Executive Officer; later General Manager

      2002-05 – 2008-07

  4. Cal Henderson

    Co-founder and Chief Technology Officer of Slack

    1. Slack

      Co-founder and Chief Technology Officer

      2013 – Present

    2. Slack

      Co-founder

      Present

Slack — Cosign