WhatsApp founder: Food stamps to billionaire

  @CNNTech February 20, 2014: 1:16 PM ET
WhatsApp: From food stamps to billions
NEW YORK (CNNMoney)

The only thing more stunning than WhatsApp's $19 billion price tag is the incredible journey of the messaging app's CEO Jan Koum.

Koum was raised in Ukraine, immigrating in the early 1990s to the United States when he was a teenager. Living on welfare and food stamps, telephone calls back home to Ukraine proved to be a daunting expense.

Eventually, Skype -- now owned by Microsoft (MSFT, Fortune 500) -- changed all that, dramatically reducing the price of international calls. Kuom set out to do the same for text messaging on mobile phones.

By his own account, Koum "barely graduated" high school in Mission Viejo, California. He went on to study at San Jose State University, but dropped out. Koum worked at Ernst & Young as a security tester and later became a security and operations engineer at Yahoo (YHOO, Fortune 500).

Related: Why WhatsApp is worth $19 billion

In 2009, he founded WhatsApp, a service that has amassed 450 million users in four-plus years and is growing its user base by 1 million people a day.

Despite creating such a wild success, Kuom has shied away from the spotlight. He passes up television appearances and rarely gives interviews. His prestigious CEO title isn't even listed on his social media accounts. On his LinkedIn (LNKD) profile he lists himself as WhatsApps's "QA Tester." He previously said he was the company's "Sr. Tweet Manager."

Koum owns 45% of WhatsApp, according to Forbes. That means when the deal closes with Facebook (FB, Fortune 500), his net worth could be close to $7 billion.

Yet Koum remains grounded and is proud of his Ukrainian roots. He recently tweeted: "Praying for peace and quick resolution to the crisis #ukraine #freedom." To top of page



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