<Table> WhatsApp Inc . <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Type of business </Th> <Td> Subsidiary </Td> </Tr> <Tr> <Th> Founded </Th> <Td> February 24 , 2009 ; 8 years ago ( 2009 - 02 - 24 ) </Td> </Tr> <Tr> <Th> Headquarters </Th> <Td> Mountain View , California , United States </Td> </Tr> <Tr> <Th> Founder ( s ) </Th> <Td> <Ul> <Li> Jan Koum </Li> <Li> Brian Acton </Li> </Ul> </Td> </Tr> <Tr> <Th> CEO </Th> <Td> Jan Koum </Td> </Tr> <Tr> <Th> Employees </Th> <Td> 50 </Td> </Tr> <Tr> <Th> Parent </Th> <Td> Facebook </Td> </Tr> <Tr> <Th> Website </Th> <Td> whatsapp.com </Td> </Tr> </Table>
who is the ceo of what 's up
Jan Koum