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: Story Mode team to brainstorm the idea for a "Minecraft"-related game, given that the game was essentially a "blank canvas" for storytelling, according to Job Stauffer, and would create an interesting challenge. The two groups recognized the amount of fan-generated narrative content that existed in the way of YouTube videos and other media forms that demonstrated the potential for storytelling in the game. Many on Telltale's staff were also already fans of "Minecraft", with a private server that they played on, with some of the incidents that occurred on there becoming ideas for the game's story. Telltale began negotiations with Mojang in