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 early 2013, and began work on the title shortly thereafter. Stauffer noted that Microsoft's acquisition of Mojang was not a factor in the game's development, as their interaction with Mojang began well before Microsoft's negotiations. Telltale opted to create a new main character of Jesse for "Minecraft: Story Mode" instead of using default "Steve" character from "Minecraft", feeling that they did not want to attempt to rewrite how players already saw this character in the game. Other primary characters in the game are loosely designed around archetypes of common player-characters for "Minecraft", such that those that engage in building, fighting,