How to Train Your Dragon includes a 2014 short film directed by whom?
How to Train Your Dragon (franchise):  The franchise also consists of four short films: "Legend of the Boneknapper Dragon" (2010), "Book of Dragons" (2011), "Gift of the Night Fury" (2011) and "Dawn of the Dragon Racers" (2014). Dawn of the Dragon Racers: Dawn of the Dragon Racers is a 2014 computer-animated short film by DreamWorks Animation and directed by Elaine Bogan and John Sanford.
Elaine Bogan and John Sanford