Marcel Lehel Lazar (44), this is the real name of Guccifer, has been sentenced to 52 months in prison for aggravated identity theft and hacking. Lazar was arrested in January 2014 in Romania, where he was known to law enforcement for hacking into the accounts of local celebrities. In June 2014 he was pleading guilty and sentenced by a Romanian court to 7 years in prison. In March 2016, the Romanian authorities accepted the US request for Lazars extradition to the US. He became famous to the public after hacking the online accounts of numerous public figures.”]
Source: http://securityaffairs.co/wordpress/50874/cyber-crime/guccifer-sentenced-prison.html