Biography
Leah Katznelson is a costume designer. Raised in New York, she earned a degree in architecture from Columbia University and began working in the film and television industry in the art department before moving into costume design.
She has designed costumes for the films 21 Jump Street (2012), How to Be Single (2016), Demolition (2016), Rough Night (2017), Stronger (2017), Collateral Beauty (2016), Don Jon (2013) and Isn't It Romantic (2019). Her television credits include Living with Yourself (2019), Fleishman Is in Trouble (2022), White House Plumbers (2023), episodes of Feud (2024) and the second season of Poker Face (2025). She won a Creative Arts Emmy for her work on Feud.
