Ukrainian-born Jan Koum has gone almost unnoticed in the world of philanthropy, but tax returns reveal that the multi-billionaire is one of his coreligionists' largest supporters
Ukrainian-born Jew Jan Koum immigrated to California after the fall of the Soviet Union and came up from rags to riches; Now one of the world's wealthiest people makes massive donations to Jewish and Israeli causes while maintaining a low profile
WhatsApp s founder quietly becomes a megadonor to Jewish causes jewishledger.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from jewishledger.com Daily Mail and Mail on Sunday newspapers.
The publicity-shy Jan Koum, a Ukrainian-born Jew who arrived in California as a teenager, is more entwined than meets the eye with the events rocking the country.