Patricia Mary Sie (born October 11, 1971) is an American film and music video director, best known for directing the films Step Up: All In (2014) and Pitch Perfect 3 (2017), as well as music videos, particularly for the alternative rock band OK Go. She has worked in film, television, commercials, music videos, stage, children's entertainment and ballroom DanceSport. Sie was born in Washington, D.C. She graduated from National Cathedral School and, as a teenager, attended the National Music Camp at Interlochen Center for the Arts. She has a degree in music theory and composition from the University of Pennsylvania and was a member of Penn Dance Company. After graduating in 1994, she became a professional championship ballroom dancer and a well-known choreographer. She moved to Orlando, Fla., where she opened the Zebra Room Dance Studios and organized an arts collective called the Exchange. Other projects include concepts, directing, and choreography for OK Go, Pilobolus Dance Theatre, Rufus Wainwright, Miranda July, Bobcat Goldthwait, Matt Harding, the Imagination Movers, ESPN, Jason Hill, and various DanceSport champions. Sie is also the creator, composer, and writer of the musical science-based children's show, The Snark-a-Snoops, based in Los Angeles. She directs music videos, commercials, and films. She is based in Los Angeles.

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