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Jan Koum cofounded WhatsApp, now the world's biggest mobile messaging service, in 2009. Facebook bought the startup for $22 billion in cash and stock in 2014. He resigned as CEO of WhatsApp in...

Jan Koum was born in 1976 to a Jewish family in Kyiv, Ukraine. His father worked in construction, while his mother stayed at home with her son. As a child, Koum experienced the negative effects of growing up in a Communist regime, which deeply influenced his strong commitment to privacy protection.

Edit. Change source. View history. Jan Koum (Ukrainian: Ян Кум; born February 24, 1976) is a Ukrainian American entrepreneur and computer programmer. He is the co-founder and was the CEO of WhatsApp. [1] Jan Koum. Ян Кум. Koum, in 2013.

Jan Koum (Co-Founder and Former CEO of ‘WhatsApp’) Jan Koum is a Ukrainian-born American internet entrepreneur who co-founded the mobile messaging application WhatsApp with Brian Acton. The extremely popular mobile application was acquired by Facebook Inc. in 2014 for a whooping US$19 billion.

Jan Koum, a California resident who owns properties throughout the state, including several in Silicon Valley, and controls a multi-billion-dollar charitable foundation, has not uttered a public word even as many other wealthy Ukrainians and Russians announce donations toward humanitarian relief efforts.

jan koum @jankoum · Mar 17, 2016 great video explaining how end-to-end encryption works: today.com Messaging app ‘WhatsApp’ butts heads with government over encryption The government's legal battle with Apple over access to an iPhone used by one of the San Bernardino shooters isn't the only dispute of its kind.

Jan Koum is a US-based billionaire, co- founder of the Whatsapp messaging service. He was born in Ukraine in February 1976. He arrived in the USA at the age of 16. He co-founded Whatsapp in 2009 together with Brian Acton. We were told he is the owner of the yacht Mogambo and her support vessel Power Play.

Jan Koum es un emprendedor y programador de ordenadores de origen ucraniano nacionalizado estadounidense. Es el exCEO y cofundador de WhatsApp. En 2014, ingresó a la lista Forbes de los 400 estadounidenses más ricos quedando de esta manera en el puesto 62 al acumular una fortuna estimada en más de siete mil quinientos millones de dólares ...