Question: Which director had their film surpassed as the top-grossing zombie film in 2009?

Context paragraphs:
After Death: After Death is a 1988 Italian zombie film.  The film is set on a remote island where a voodoo curse that raises the dead from their graves to feast on the flesh of the living.  When a boat containing a group of explorers which includes a young girl who experienced the zombie uprising years earlier, makes an emergency docking on the island, the crew find that their only hope for survival is a protective idol given to the young girl by her mother years ago.

Dawn of the Dead (2004 film): Dawn of the Dead is a 2004 American horror film directed by Zack Snyder in his feature film directorial debut.  A remake of George A. Romero's 1978 film of the same name, it was written by James Gunn and stars Sarah Polley, Ving Rhames, Jake Weber, and Mekhi Phifer.

Zombie Holocaust: Zombie Holocaust, (Original title: Zombi Holocaust) also known as Zombie 3 and Doctor Butcher, M.D., is a 1980 Italian zombie film directed by Marino Girolami.

Plaga Zombie: Zona Mutante: Plaga Zombie:Zona Mutante is a 2001 Argentine horror film directed and written by Pablo Parés and Hernán Sáez with Berta Muñiz and Gabriel Grieco who all starred in the film.  It is the second entry in the "Plaga Zombie film series" as the sequel to the 1997 film "Plaga Zombie" and followed by the 2012 film "".

Zombie Girl: The Movie: Zombie Girl: The Movie is a 2009 documentary that was directed by Justin Johnson, Aaron Marshall, and Erik Mauck.  The film focuses on the making of the 2006 zombie film "Pathogen" that was directed by Emily Hagins, who was twelve years-old at the time.

Plaga Zombie: Plaga zombie is a 1997 Argentine horror film directed and written by Pablo Parés and Hernán Sáez and written by Berta Muñiz and Pablo Parés who all starred in the film.  It is the first entry in the "Plaga Zombie film series" being followed up with "" (2001) and "" (2012).

List of horror films of the 1930s: A list of horror films released in the 1930s.  The American horror film was properly created in the 1930s, most notably the Universal Horror film productions. " White Zombie" is considered to be the first feature length zombie film and has been described as the archetype and model of all zombie movies.  A number of Hollywood actors made a name for themselves in horror films of this decade, in particular Bela Lugosi ("Dracula", 1931) and Boris Karloff ("Frankenstein", 1931).  Fredric March won an Academy Award for Best Actor in "Dr. Jekyll and Mr. Hyde", 1931.  Films of this era frequently took their inspiration from the literature of gothic horror and more often dealt with themes of science versus religion rather than supernatural themes.

Zombie Fighters: Zombie Fighters (Thai: กัดกระชากเกรียน ) (or Kud Krachak Krien) is a 2017 Thai horror-comedy film directed by Poj Arnon and it is the first Thai zombie film.  The film stars Bhuvadol Vejvongsa, Kittipat Samantrakulchai, Korakrit Laotrakul, Worrachai Sirikongsuwan, Supakit Thinjun and Pasakorn Sanrattana.

Zombieland: Zombieland is a 2009 American comedy horror film directed by Ruben Fleischer and written by Rhett Reese and Paul Wernick.  The film stars Woody Harrelson, Jesse Eisenberg, Emma Stone and Abigail Breslin as survivors of a zombie apocalypse.  The film follows a geeky college kid making his way through the zombie apocalypse, meeting three strangers along the way and together taking an extended road trip across the Southwestern United States in an attempt to find a sanctuary free from zombies.  The film premiered at Fantastic Fest on September 25, 2009 and was theatrically released on October 2, 2009 in the United States by Columbia Pictures.  "Zombieland" was a critical and commercial success, grossing more than $60.8 million in 17 days and surpassing the 2004 film "Dawn of the Dead" as the top-grossing zombie film in the United States until "World War Z" in 2013.

Reel Zombies: Reel Zombies is a 2008 Canadian zombie film directed by David J. Francis and Mike Masters.  It is the third film in a loose trilogy that includes "Zombie Night" and "".  Shot in documentary style, it depicts a film crew that attempts to follow up on their low budget zombie films during an outbreak of a real zombie apocalypse.

Supporting paragraphs: Zombieland Dawn of the Dead (2004 film)
Answer: Zack Snyder