Question: Are both Scott Treleaven and Ron Clements animation directors, screenwriters, and producers?

Context articles: Tiana (Disney)
John Musker
Don Hall (filmmaker)
Scott Treleaven
Ron Clements
The Princess and the Frog
Aladdin (1992 Disney film)
The Great Mouse Detective
Princess Jasmine
Hercules (1997 film)

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.
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.
Don Hall is an American film director and writer at Walt Disney Animation Studios.
 He is known for co-directing "Winnie the Pooh" (2011), "Big Hero 6" (2014), which was inspired by the Marvel Comics of the same name and "Moana" (2016), along with Ron Clements and John Musker.
 "Big Hero 6" won the Oscar for Best Animated Feature in 2015.
Scott Treleaven is a Canadian artist whose work employs a variety of media including collage, film, video, drawing, photography and installation.
Ronald Francis Clements (born April 25, 1953) is an American animation director, screenwriter and producer.
 He often collaborates with fellow director John Musker.
The Princess and the Frog is a 2009 American animated musical film produced by Walt Disney Animation Studios and released by Walt Disney Pictures.
 The 49th Disney animated feature film, the film is loosely based on the novel "The Frog Princess" by E. D. Baker, which is in turn based on the Brothers Grimm fairy tale "The Frog Prince".
 Written and directed by Ron Clements and John Musker, the film features an ensemble voice cast that stars Anika Noni Rose, Bruno Campos, Keith David, Michael-Leon Wooley, Jennifer Cody, and Jim Cummings, with Peter Bartlett, Jenifer Lewis, Oprah Winfrey, Terrence Howard, and John Goodman.
 Set in 1920s New Orleans, the film tells the story of a hardworking waitress named Tiana who dreams of owning her own restaurant.
 After kissing a prince who has been turned into a frog by an evil voodoo sorcerer, Tiana becomes a frog herself and must find a way to turn back into a human before it is too late.
Aladdin is a 1992 American animated comedy musical romantic fantasy adventure film produced by Walt Disney Feature Animation for Walt Disney Pictures.
 The film is the 31st Disney animated feature film, and was the fourth produced during the Disney film era known as the Disney Renaissance.
 It was directed by John Musker and Ron Clements, and is based on the Arab-style folktale of the same name from "One Thousand and One Nights" and the French interpretation by Antoine Galland.
 The voice cast features Scott Weinger, Robin Williams, Linda Larkin, Jonathan Freeman, Frank Welker, Gilbert Gottfried and Douglas Seale.
 The film follows Aladdin, a street urchin, who finds a magic lamp containing a genie.
 In order to hide the lamp from the Grand vizier, he disguises himself as a wealthy prince, and tries to impress the Sultan and his daughter.
The Great Mouse Detective is a 1986 American animated mystery comedy film produced by Walt Disney Feature Animation and released by Walt Disney Pictures.
 The 26th Disney animated feature film, the film was directed by Burny Mattinson, David Michener, and the team of John Musker and Ron Clements, who later directed Disney's hit films "The Little Mermaid" and "Aladdin".
 The film was also known as The Adventures of the Great Mouse Detective for its 1992 theatrical re-release and Basil the Great Mouse Detective in some countries.
 The main characters are all mice and rats living in Victorian London.
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".
Hercules is a 1997 American animated musical fantasy comedy film produced by Walt Disney Feature Animation for Walt Disney Pictures.
 The 35th Disney animated feature film, the film was directed by Ron Clements and John Musker.
 The film is loosely based on the legendary hero Heracles (known in the film by his Roman name, Hercules), the son of Zeus, in Greek mythology.
 The film also featured the first positive portrayal of African American women in a Disney animated film.