Question: This American teen drama by Josh Schwartz was directed by who?

Context articles: The O.C.
Gossip Girl (season 4)
List of The O.C. episodes
Gossip Girl (season 2)
Gossip Girl
Lev L. Spiro
Gossip Girl (season 6)
Gossip Girl (season 5)
Gossip Girl (season 1)
Gossip Girl (season 3)

The O.C. is an American teen drama television series created by Josh Schwartz that originally aired on the Fox network in the United States from August 5, 2003, to February 22, 2007, running a total of four seasons.
 "O.C." is an abbreviation of "Orange County."
The fourth season of "Gossip Girl", an American teen drama, consisted of 22 episodes which aired between September 13, 2010 and May 16, 2011.
 The series was based upon the book series by Cecily von Ziegesar and developed for television by Josh Schwartz and Stephanie Savage.
 The CW renewed the series for a full fourth season on February 16, 2010.
 Blake Lively, Leighton Meester, Penn Badgley, Chace Crawford, Taylor Momsen, Ed Westwick, Jessica Szohr, Kelly Rutherford, and Matthew Settle all return as series regulars.
"The O.C." is an American teen drama television series created by Josh Schwartz.
 It premiered on Fox, an American television network, on August 5, 2003 with the pilot episode "Premiere".
 "The O.C." is set in Newport Beach, Orange County, California and follows the stories of residents in the wealthy, harbor-front community.
 The series mainly focuses around the Cohen and Cooper families, and the Cohen's adoption of Ryan Atwood, a troubled teenager from Chino, California.
 The show ran until February 22, 2007, with 92 episodes split over 4 seasons.
 The first season consisted of twenty-seven episodes, the second season was twenty-four episodes long and preceded by two specials that gave a retrospective look at season one, and previewed the upcoming second season.
 Season three was twenty-five episodes long, but only sixteen episodes were ordered for the final fourth season as falling ratings led to the show's cancellation.
The second season of the American teen drama television series "Gossip Girl" aired on The CW from September 1, 2008 to May 17, 2009.
 Based upon the novel series by Cecily von Ziegesar, it was developed for television by Josh Schwartz and Stephanie Savage.
Gossip Girl is an American teen drama television series based on the book series of the same name written by Cecily von Ziegesar.
 The series, created by Josh Schwartz and Stephanie Savage, originally ran on The CW for six seasons from September 19, 2007, to December 17, 2012.
 Narrated by the omniscient blogger "Gossip Girl", voiced by Kristen Bell, the series revolves around the fictional lives of upper-class adolescents living in Manhattan's Upper East Side.
Lev L. Spiro is an American film and television director.
 His TV episodic work includes multiple Emmy Award-winning shows such as "Modern Family", "Weeds", "Arrested Development", "My Name Is Earl", "Ugly Betty", "Gilmore Girls", "Dawson's Creek", "The O.C." and "Everybody Hates Chris".
 His film directing includes the DGA Award nominated "Minutemen", the Emmy Award-winning "", and the Lionsgate feature "" (2016).
The sixth and final season of "Gossip Girl", an American teen drama based upon the book series by Cecily von Ziegesar and developed for television by Josh Schwartz and Stephanie Savage, aired between October 8 and December 17, 2012.
 The CW officially renewed the series for a sixth season on May 11, 2012.
 The series consisted of 10 episodes with a special retrospective, which was the shortest of all seasons.
The fifth season of "Gossip Girl", an American teen drama based upon the book series by Cecily von Ziegesar and developed for television by Josh Schwartz and Stephanie Savage.
 The CW officially renewed the series for a fifth season on April 26, 2011.
The first season of "Gossip Girl", an American teen drama based upon the book series by Cecily von Ziegesar.
 Developed for television by Josh Schwartz and Stephanie Savage.
 Airing on The CW from September 19, 2007 till May 19, 2008 with 18 episodes.
 It tells the story of Serena van der Woodsen's return to Manhattan's Upper East Side in New York City following her mysterious disappearance to boarding school in Connecticut, while being watched by gossip website Gossip Girl.
The third season of "Gossip Girl," an American teen drama based upon the book series by Cecily von Ziegesar.
 Developed for television by Josh Schwartz and Stephanie Savage.
 Airing on The CW from September 14, 2009 to May 17, 2010 with 22 episodes.
 The season premiered 2.55 million viewers and a 1.4 Adults 18-49 rating, up 14% in viewers from its season two finale.