Jan Koum, the co-founder of Whatsapp ... a sports court and a guard house. Additionally the home comes with its own funicular which leads down to an oceanfront cabana that has retractable ceiling ...

WhatsApp co-founder Jan Koum just grabbed another slice of Malibu ... for three of those acres and features a single-story main house, a three-story guesthouse and a guardhouse.

Listed at $125 million and in the final stages of escrow, the house was reportedly set to be acquired by tech billionaire Jan Koum, the co-founder of international messaging service WhatsApp.

Jan Koum, the co-founder of WhatsApp ... it includes a single-story, five-bedroom house with vaulted ceilings, herringbone floors and floor-to-ceiling windows that open onto the gardens.

Jan Koum picked a meaningful spot to sign the ... “He would invite me to his house,” Koum remembers. The two went skiing and played soccer and ultimate Frisbee. Over the next nine years ...

Jan Koum, the billionaire co-founder of WhatsApp ... And earlier this year, developer Fatos Rosenberg sold a waterfront estate and the house across the street for $92.1 million.

Famed catwalker Cindy Crawford sold her Beverly Hills abode to WhatsApp co-founder and neighbor Jan Koum last week for $ ... They initially put the house up for sale for $16 million in August ...

It was another wild week of winners and losers. WhatsApp founder Jan Koum picked up his second Malibu beach house (right next to his other one, which he spent $100 million on in 2019), while mall ...

Jan Koum (Photo: TOBIAS HASE/AFP/Getty Images ... His work was cited on the floors of the Senate and House Of Representatives, and led to the shut down of Facebook’s Onavo market surveillance ...

(Mike Helfrich) WhatsApp co-founder Jan Koum just grabbed another slice of ... three of those acres and features a single-story main house, a three-story guesthouse and a guardhouse.

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 ...