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Founded

2009

Employees

Between 2,000 - 5,000 employees

Raised

$1,391,099,904

Headquarters Location

San Francisco, CA

Public

TRUE

Acquired

TRUE

Founders

Cal Henderson, Stewart Butterfield

CEO

Stewart Butterfield

Funding Rounds

$427,000,000

August 2018

$412,700,000

September 2017

$208,000,000

March 2016

$172,700,000

April 2015

$110,750,000

October 2014

$42,750,000

April 2014

$10,700,000

March 2011

$5,000,000

March 2010

$1,500,000

December 2008

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