Jan Koum (born in Kiev, Ukraine on February 24,1976) is CEO and co-founder with Brian Acton of WhatsApp, a mobile messaging application which was acquired by Facebook Inc. in February 2014 for US $19 Billion.
Jan Koum (born in Kiev, Ukraine on February 24,1976) is CEO and co-founder with Brian Acton of WhatsApp. A mobile messaging application are WhatsApp. This mobile messaging application was acquired by Facebook Inc. in February 2014 for US $19 Billion.