Question: Are John Musker and Jason Reitman both directors?

Context articles: List of accolades received by Up in the Air
Tiana (Disney)
Young Adult (film)
Jason Reitman
The Front Runner (film)
John Papsidera
Live Read
Up in the Air (2009 film)
John Musker
Princess Jasmine

"Up in the Air" is a 2009 American comedy-drama film directed by Jason Reitman and co-written by Reitman and Sheldon Turner.
 The film is an adaptation of the eponymous 2001 novel by Walter Kirn.
 "Up in the Air" was screened as a "sneak preview" at the Telluride Film Festival on September 6, 2009, before its world premiere at the Toronto International Film Festival on September 12, 2009.
 "Up in the Air" was released in the United States on December 4, 2009; playing on 15 screens in its first weekend, it grossed over $1.1 million.
 The film opened nationwide on December 23, 2009, earning over $11 million its first weekend in wide release.
 The film earned $79 million over 18 weeks in the United States and Canada, with an additional $83 million in overseas markets.
Tiana is a fictional main character who appears in Walt Disney Pictures' 49th animated feature film "The Princess and the Frog" (2009).
 Created by directors Ron Clements and John Musker and animated by Mark Henn, Tiana is voiced by Anika Noni Rose as an adult, while Elizabeth M. Dampier voices the character as a child.
Young Adult is a 2011 American comedy-drama film directed by Jason Reitman, from a screenplay written by Diablo Cody, and starring Charlize Theron.
 Reitman and Cody worked together previously on "Juno" (2007).
 "Young Adult" began a limited release on December 9, 2011, before expanding to a wide release on December 16.
 It received generally positive reviews.
Jason Reitman ( ; born October 19, 1977) is a Canadian-American film director, screenwriter, and producer, best known for directing the films "Thank You for Smoking" (2005), "Juno" (2007), "Up in the Air" (2009), and "Young Adult" (2011).
 As of February 2, 2010, he has received one Grammy Award and four Academy Award nominations, two of which are for Best Director.
 Reitman is a dual citizen of Canada and the United States.
 He is the son of director Ivan Reitman.
The Front Runner is an upcoming American drama film directed by Jason Reitman, based on the book "All the Truth Is Out: The Week Politics Went Tabloid" by Matt Bai.
 Reitman co-wrote the screenplay with Bai and Jay Carson.
 The film stars Hugh Jackman as politician Gary Hart, with Vera Farmiga, Kaitlyn Dever, Sara Paxton, Molly Ephraim, and J. K. Simmons also starring.
John Papsidera is a casting director based in Los Angeles, California, known for his work in film and television.
 Papsidera has worked with some of the most successful directors in the world such as Jason Reitman, Roland Emmerich, and Christopher Nolan.
Live Read is a monthly live staged reading of a film script and a part of the Film Independent at LACMA film series at the Bing Theater directed by Jason Reitman and hosted by Elvis Mitchell.
 Reitman reads the stage directions in the scripts while images from the film are projected behind the cast.
 The script that is read is only announced days before the event and while some actors are announced beforehand, full cast lists and the role each actor will play are kept secret until the event itself.
 The actors do not rehearse ahead of time.
Up in the Air is a 2009 American comedy-drama film directed by Jason Reitman and written by Reitman and Sheldon Turner, based on the 2001 novel of the same name, written by Walter Kirn.
 The story is centered on corporate "downsizer" Ryan Bingham (George Clooney) and his travels.
 Vera Farmiga, Anna Kendrick and Danny McBride also star.
 Filming was primarily in St. Louis, Missouri, which substituted for a number of other cities.
 Several scenes were filmed in Detroit, Omaha, Las Vegas and Miami.
John Musker (born November 8, 1953) is an American animation director.
 Along with Ron Clements, he makes up the duo of one of the Disney animation studio's leading director teams.
Princess Jasmine is a fictional character who appears in Walt Disney Animation Studios' 31st animated feature film "Aladdin" (1992).
 Voiced by American actress Linda Larkin – with a singing voice provided by Filipina singer Lea Salonga – Jasmine is the spirited Princess of Agrabah, who has grown weary of her life of palace confinement.
 Despite an age-old law stipulating that the princess must marry a prince in time for her upcoming birthday, Jasmine is instead determined to marry someone she loves for who he is as opposed to what he owns.
 Created by directors Ron Clements and John Musker with screenwriters Ted Elliott and Terry Rossio, Jasmine is based on Badroulbadour, a princess who appears in the "One Thousand and One Nights" folktale "Aladdin and the Magical Lamp".