Jens Bergensten 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 C++ and
Minecraft Over the course of the development, Mojang hired several new employees to work on the project. Mojang moved the game out of beta and released the full version on 18 November 2011. The game has been continuously updated since the release, with changes ranging from new game content to new server hosts. On 1 December 2011, Jens "Jeb" Bergensten took full creative control over "Minecraft", replacing Persson as lead designer. On 28 February 2012, Mojang announced that they had hired the developers of the popular server platform "CraftBukkit" to improve "Minecraft"s support of server modifications. This acquisition also included Mojang