SB

Stewart Butterfield

Slack CEO. Love making software and love to learn.

San Francisco, California

Overview 

Stewart Butterfield is the CEO and Co-founder of Slack Technologies, Inc, overseeing the growth and success of the popular collaboration software. With a background in product management and entrepreneurship, he has successfully led Slack to become a leading platform in the tech industry, and has made strategic investments in numerous successful startups such as Front and Netlify.

Work Experience 

  • CEO & Co-founder

    2009 - 2023

    You know in cartoons when they run off a cliff but they don't fall until they look down? I am trying not to look down!

Slack is a cloud-based communication and collaboration platform for teams.

Raised $1,391,100,000.00 from Light Street Capital, Meyer Ventures and Employee Stock Option Fund.

  • General Manager, Flickr / Senior Director of Product Management

    2005 - 2008

Yahoo is a technology and media company that serves users through its portfolio of digital platforms, products, and services.

Raised $6,800,000.00 from Visa, SoftBank Capital, Sequoia Capital and Reuters Venture Capital.

  • CEO & Co-founder

    2002 - 2005

    Ludicorp made Flickr and got bought by Yahoo. I was responsible for finance, product direction and talking to lawyers.

  • Software and Internet Product Design Consultant

    1996 - 2002

    Consulting in various roles -- interaction design, user research, visual/creative & interface design, design management, and business development & strategic consulting -- to public and private sector organizations, from start-ups to Global 1000.

  • Managing Director and Company Secretary

    2000 - 2000

    Co-wrote business plan, raised investment capital and took part in negotiating Gradfinder's acquisition by Highwired.com with a healthy profit for investors and employees — all after black April 2000. Redesigned crucial areas of the site, resulting in a 95% increase in the conversion rate and a stop to falling monthly page views per user.

  • Director of the Design Group at Communicate.com

    1999 - 2000

    Directed the design group of, at the time, the largest design + development shop in Vancouver. Acted as design lead or directly managed several million dollars worth of projects. Played a key role in business development and recruiting efforts; as well as in managing the company's rapid growth (including 100% employee growth — from 30 to 60 — and tripling revenue in one six month period).

Latest Articles 

Articles About Stewart

Relevant Websites