Roland Emmerich is a German film director, screenwriter, and producer. He is widely known for his science fiction and disaster films and has been called a "master of disaster" within the industry. His films, most of which are English-language Hollywood productions, have made more than $3 billion worldwide, including just over $1 billion in the United States, making him the country's 15th-highest-grossing director of all time.

The Day After Tomorrow is a 2004 American science fiction disaster film conceived, co-written, co-produced, and directed by Roland Emmerich, based on the 1999 book The Coming Global Superstorm by Art Bell and Whitley Strieber, and starring Dennis Quaid, Jake Gyllenhaal, Sela Ward, Emmy Rossum, and Ian Holm. The film depicts catastrophic climatic effects following the disruption of the North Atlantic Ocean circulation, in which a series of extreme weather events usher in climate change and lead to a new ice age.