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Jan Borysovych Koum [a] (born February 24, 1976 [1]) is a Ukrainian-American billionaire businessman and computer programmer. He is the co-founder and former CEO of WhatsApp, a mobile messaging app which was acquired by Facebook in 2014 for US$19.3 billion.
In April 2018, WhatsApp co-founder and CEO Jan Koum announced he would be leaving the company. [104] By leaving before November 2018, due to concerns about privacy, advertising, and monetization by Facebook, [105] Acton and Koum gave up $1.3 billion in unvested stock options. [106] Facebook later announced that Koum's replacement would be Chris ...
In 2009, Jan Koum and Acton co-founded WhatsApp, [4] a mobile messaging application which was acquired by Facebook in February 2014 for US$19 billion. Acton left WhatsApp in September 2017 to start the Signal Foundation. [5] According to Forbes (2020), Acton is the 836th-richest person in the world, with a net worth of $2.5 billion. [4]
Messaging app Signal's founder and Chief Executive Officer Moxie Marlinspike will step down and WhatsApp co-founder Brian Acton will become the interim CEO, Marlinspike said in a blog post https ...
In recent years, WhatsApp founder Jan Koum has become widely known for two things: his love of rare Porsches and his collection of $100+ million homes, the latter of which has been assembled over ...
WhatsApp founder and Chief Executive Officer Jan Koum is leaving Facebook Inc., just a few years after his messaging app was acquired by the social-media giant for $22 billion.. Koum posted his ...
WhatsApp 2.0 is released on the App Store for the iPhone. [3] 2009: October: Funding: Brian Acton persuades five ex-Yahoo! friends to invest $250,000 in seed funding, and is granted co-founder status. [2] 2009: December: Product: WhatsApp for the iPhone is updated to send photos. [2] 2010: August: Product: WhatsApp support for Android OS is ...
Co-founders Mike Matas and Kimon Tsinteris — — [28] [29] [30] 23 Friend.ly USA, Mountain View, California: October 10, 2011 undisclosed Co-founder/CEO Ed Baker — — [31] [32] [33] 24 Strobe USA, San Francisco, California: November 8, 2011 undisclosed Founder and CEO Charles Jolley, other Strobe employees — Mobile engineering team [34 ...