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Jan Koum

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Recent Milestones

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• 
  Jan Koum added a position as Infrastructure Engineering at Yahoo! Inc. . (1/1/04)
  Posted 4/28/13 at 10:51pm
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  Jan Koum added a position as Security and Operations Engineering at Yahoo! Inc. . (1/1/98)
  Posted 4/28/13 at 10:51pm
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  Jan Koum added a position as CEO at WhatsApp.
  Posted 12/6/12 at 1:10pm

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