Jens Bergensten (née Thornell). Jens Bergensten Jens "Jeb" Bergensten is a Swedish video game designer. Since December 2010, he has worked for the video game developer Mojang as a programmer and game designer. He became the lead designer and lead developer of the indie sandbox game "Minecraft", after Markus "Notch" Persson stepped down from his position in December 2011. He is known by his in-game name "jeb_". Bergensten started programming his first games at age 11 using BASIC and Turbo Pascal. By age 21, he was a mapper and modder for the first-person shooter "Quake III Arena". Later he worked as a
Minecraft week of being on the Xbox Live Marketplace, "Minecraft" sold upwards of a million copies. GameSpot announced in December 2012 that "Minecraft" sold over 4.48 million copies since the game debuted on Xbox Live Arcade in May 2012. In 2012, "Minecraft" was the most purchased title on Xbox Live Arcade; it was also the fourth most played title on Xbox Live based on average unique users per day. , the Xbox 360 version has sold 12 million copies. In addition, "Minecraft: Pocket Edition" has reached a figure of 21 million in sales. The PlayStation 3 version sold one million copies