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
Lego Minecraft with custom moulds for the character heads, tools and certain body parts (for example the Creeper, which consists of primarily a single moulded piece for its torso and legs). When asked about Lego Minecraft's beginnings, Mojang chief executive officer Carl Manneh stated that "it was one of the first things we talked about when we started Mojang." Mojang started the project on the Lego CUUSOO program, which required ten thousand signatures for the project to be approved. With the strong support of the "Minecraft" community, the signature objective was achieved within a matter of days, and the development of the