WhatsApp chief Jan Koum exits Facebook board amid reports of discontent over privacy policies

Jan Koum, chief executive officer and co-founder of Facebook-owned WhatsApp has confirmed he has exited his role the company amid press reports he has clashed with fellow board members over data usage policies. 
He confirmed his exit in a Facebook post dated April 30, adding that we intended to take a period of absence away from the tech industry in favor of personal pursuits, with The Washington Post citing sources close to the developments claiming he has also resigned his&