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  2. Jan Koum - Wikipedia

    Jan Koum ( Ukrainian: Ян Кум; born Yan Borysovych Kum, Ukrainian: Ян Борисович Кум, on February 24, 1976) 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.

  3. Jan Koum - Forbes

    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...

  4. Jan Koum: The Inspirational Story of the Founder of WhatsApp

    Jan Koum worked on the security team at Ernst & Young in his freshman year at San Jose State. During this time, he met his future business partner, Brian Acton, while working on a project at Yahoo. The two immediately hit it off. Several months later, Koum applied for a job with Yahoo and ended up working there for nearly a decade.

  5. Jan Koum Biography - Facts, Childhood, Family Life & Achievements

    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. A billionaire today, he is counted amongst the richest Americans but just a few years ago he was so poor that he had to live off food stamps.

  6. Jan Koum's bio: house, yacht, family, net worth, investments

    Full names: Jan Koum Date of birth: February 24, 1976 Age: 46 years old as of 2022 Place of birth: Kyiv, Ukraine Nationality: Ukrainian, American Zodiac sign: Pisces Gender: Male Profession: Businessman and computer engineer Famous as: The co-founder of WhatsApp Inc. Height in cm: 180 cm Height in feet: 5 feet 9 inches Weight in kg: 78 kg

  7. Jeffrey Katzenberg Sells $125 Million L.A. Mansion to Jan ...

    Multiple sources now say that the mysterious buyer of Katzenberg’s palatial estate was not a U.K.-based family, as was initially reported, but rather multibillionaire American tech tycoon Jan Koum, the co-founder of WhatsApp and a man with a well-documented affinity for trophy real estate. Besides his new 90210 digs, Koum maintains two other private estates valued at close to $100 million.

  8. Jan Koum, the co-founder of Whatsapp, has splashed $87 million to buy a Malibu, California mansion right next to one he already owns. Koum will be buying the sprawling cliff-side property,...

  9. Jan Koum to Make Off-Market Deal for House Next Door – DIRT

    Buyer Jan Koum. Location Beverly Hills, Calif. Price $77 million. Year 1961. Specs (approx.) 8,500 square feet total. Lot Size 6.7 acres. As the ultra-high-end property market clicked into warp speed back in 2017, a two-residence compound in a particularly finely feathered pocket of Beverly Hills was quietly shopped off market by one of L.A.’s most successful real estate agents as a tear-down opportunity with a hefty $85 million price tag.

  10. jan koum (@jankoum) / Twitter

    jan koum @jankoum · Mar 17, 2016 great video explaining how end-to-end encryption works: 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.

  11. 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.