John Jennings - is a video game producer. John Jennings began his career in 2015 and has worked for companies such as Bethesda Softworks and Machine Games. John Jennings's first game was Wolfenstein: The Old Blood which was released 9 years ago. Best Game John Jennings contributed to was Wolfenstein: The Old Blood. John Jennings's latest work is Wolfenstein: The Old Blood which was released 9 years ago.