Ari Mark, former AMC programming director has joined up Xbox Entertainment Studios in Santa Monica, wherein he will supervise the creation of undecided or let’s say unscripted video content for Microsoft. Previously, Mark worked with AMC in developing the network-original reality TV shows The Pitch and Small City Security. Mark additionally aided in the creation of AMC’s The Walking Dead-focused chat show Talking Dead, alongside comic book Men, a reality show set in director Kevin Smith’s comic shop in New Jersey. Xbox Entertainment Studios declared that it’ll launch an Xbox-exclusive …