Langley Perer, Mosaic Manager and Producer, Dies at 44

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The media industry mourns the loss of Langley Perer, a former manager at Mosaic Media Group who orchestrated the 2011 revamp of “Arthur.” Sadly, she passed away at 44 years old.

I sadly bid farewell on June 25th, within the walls of Cedars-Sinai Medical Center in Los Angeles, after a tough four-year fight against cancer, as confirmed by the team at Mosaic.

Jimmy Miller, founder and CEO of Mosaic, explained in a statement that Langley cannot be encapsulated in a single quote. She was not just a brilliant individual, but also a mother, wife, teammate, manager/producer, known for her wit, intelligence, and beauty. To those who may find this description insensitive, please understand that those of us who knew her will recognize that Langley was one of the most remarkable women of all time.

Langley played a pivotal role in nurturing the burgeoning talents of filmmakers like Olivia Milch, Stacey Harmon, Nick Schutt, Phil and Brandon Murphy, Max Nichols, Ryan Engle, and Laura Lekkos.

Milch (from “Ocean’s Eight,” “The Better Sister”) expressed: “There wasn’t anyone wiser, more hilarious, more lively, more dedicated or more optimistic. She brought joy to the quest for deep truths and instilled a fearlessness that was infectious. Working on art with Langley was one of the most precious gifts I’ve received in life. I will miss her warmth, intelligence, and spirit every day.

Starting off her professional journey as a junior at Gersh, Perer later shifted to Benderspink as a literary manager in 2003. Subsequently, she advanced at Mosaic. Among other projects, she was instrumental in producing ‘I Am Number Four’ released in 2011 and ‘Dude’ from 2018, which featured Russell Brand.

In 2017, Langley decided to step away from Mosaic in order to dedicate time to her family and personal artistic projects. Together with Lekkos, she was working on “Treatable,” a half-hour dark comedy inspired by her own experiences.

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Langley chose to depart from Mosaic in 2017 so she could spend more time with her family and pursue her independent creative endeavors. With Lekkos, she was creating “Treatable,” a dark comedy series that was based on her personal experience.

She is survived by her husband Scott Rosenberg (a writer-producer), as well as their kids, Sawyer and Bowie. Donations in memory of her can be made to the Kiki Fund for Leptomeningeal Research.

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2025-07-07 21:54