Sierra Pettengill (she/her) is a filmmaker from Brooklyn. Most recently, she directed the all-archival film, RIOTSVILLE, USA, which premiered at the 2022 Sundance Film Festival and was nominated for an Independent Spirit Award. Her previous all-archival feature-length film, The Reagan Show (2017, directed with Pacho Velez), premiered at the Locarno Film Festival; her short The Rifleman premiered at Sundance in 2021, and her previous short, Graven Image (2018), is held at the Legacy Museum in Montgomery, Alabama. In 2013, she produced the Academy® Award-nominated film Cutie & the Boxer, which also won an Emmy® Award for Best Documentary. She has also worked as an archival researcher for many artists including Jim Jarmusch, Mike Mills, and Adam Pendleton. She was a Sundance Institute Art of Nonfiction Fellow and is a 2023 Guggenheim Fellow. She serves as a board member of Screen Slate, a cinema nonprofit based in New York.