Calvin Smith - is a video game designer. Calvin Smith began his career in 2011 and has worked for companies such as Infinity Ward, Sledgehammer Games, Aspyr Media, Activision Blizzard and Aspyr. Calvin Smith's first game was Call of Duty: Modern Warfare 3 which was released 9 years ago. Best Game Calvin Smith contributed to was Call of Duty: Modern Warfare 3. Calvin Smith's latest work is Call of Duty: Modern Warfare 3 which was released 9 years ago.