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 the Egmont Group, a children's book publisher, to create "Minecraft" handbooks, annuals, poster books, and magazines. MineCon is an official convention dedicated to "Minecraft". The first one was held in November 2011 at the Mandalay Bay Hotel and Casino in Las Vegas. All 4,500 tickets for MineCon 2011 were sold out by 31 October. The event included the official launch of "Minecraft"; keynote speeches, including one by Persson; building and costume contests; "Minecraft"-themed breakout classes; exhibits by leading gaming and "Minecraft"-related companies; commemorative merchandise; and autograph and picture times with Mojang employees and well-known contributors from the "Minecraft" community. After