Known for Sound
J.R. Grubbs is a supervising sound editor whose work spans both film and television, with a career rooted at Skywalker Sound. He began his career in the early 1990s, initially credited in roles such as assistant sound editor or sound assistant on films including Wild at Heart (1990), Rush (1991), Miracle on 34th Street (1994), Toy Story (1995), Terminator 2: Judgment Day (1991), and others. Over the years, he gained experience and rose through the ranks, later taking on the role of supervising sound editor on films such as Coco (2017) and Dolittle (2020), among many others. Grubbs contributed significantly as a sound effects editor (and occasionally supervising sound editor) on a wide array of high-profile feature films—including Minority Report (2002), Iron Man (2008), Shang-Chi and the Legend of the Ten Rings (2021), Captain Marvel (2019), Doctor Strange (2016), The Avengers (2012), Captain America: The Winter Soldier(2014), Guardians of the Galaxy Vol. 2 (2017), and The Marvels (2023)—as well as celebrated television series such as The Mandalorian (2019–present) and Andor (2022–present). In more recent years, he held the supervising sound editor title on Shang-Chi and the Legend of the Ten Rings (2021) and Dolittle (2020). Throughout his career, Grubbs has earned multiple professional awards and nominations. Notably, he has won several Golden Reel Awards—presented by the Motion Picture Sound Editors—for his exceptional work. His wins include awards for The Mandalorian (Season 2, 2020) in the category of Outstanding Achievement in Sound Editing – Episodic Short Form – Effects/Foley (for “The Jedi”), Coco (2017) for Outstanding Achievement in Sound Editing – Feature Animation, Wreck-It Ralph (2012), and Up (2009). In total, he has received four wins and twenty nominations, including nominations for Primetime Emmy Awards. Beyond his wins, Grubbs has been nominated multiple times for Golden Reel Awards for his sound effects editing work on major Marvel Cinematic Universe films including Iron Man (2008), Iron Man 2 (2010), The Avengers (2012), Captain America: The Winter Soldier (2014), Doctor Strange (2016), and Captain America: Civil War (2016).
Filmography
50 films


Toy Story
1995 · 1h 21m
country: United States
Led by Woody, Andy's toys live happily in his room until Andy's birthday brings Buzz Lightyear onto the scene. Afraid of losing his place in Andy's heart, Woody plots against Buzz. But when circumstances separate Buzz and Woody from their owner, the duo eventually learns to put aside their differences.


Miracle on 34th Street
1994 · 1h 54m
country: United States
Six-year-old Susan Walker has doubts about childhood's most enduring miracle—Santa Claus. Her mother told her the secret about Santa a long time ago, but, after meeting a special department store Santa who's convinced he's the real thing, Susan is given the most precious gift of all—something to believe in.


Quiz Show
1994 · 2h 13m
country: United States
Herbert Stempel's transformation into an unexpected television personality unfolds as he secures victory on the cherished American game show, 'Twenty-One.' However, when the show introduces the highly skilled contestant Charles Van Doren to replace Stempel, it compels Stempel to let out his frustrations and call out the show as rigged. Lawyer Richard Goodwin steps in and attempts to uncover the orchestrated deception behind the scenes.


A River Runs Through It
1992 · 2h 3m
country: United Kingdom
The Maclean brothers, Paul and Norman, live a relatively idyllic life in rural Montana, spending much of their time fly fishing. The sons of a minister, the boys eventually part company when Norman moves east to attend college, leaving his rebellious brother to find trouble back home. When Norman finally returns, the siblings resume their fishing outings, and assess where they've been and where they're going.


Single White Female
1992 · 1h 48m
country: United States
Having recently split from her fiancé, Allison Jones welcomes new roommate Hedra Carlson. The young women quickly form a bond, but soon Allison begins to notice not all’s well with her new tenant.


Rush
1991 · 2h
country: United States
Undercover cop Jim Raynor is a seasoned veteran. His partner, Kristen Cates, is lacking in experience, but he thinks she's tough enough to work his next case with him: a deep cover assignment to bring down the notoriously hard-to-capture drug lord Gaines. While their relationship turns romantic during the assignment, they also turn into junkies, and will have to battle their own addictions if they want to bring down Gaines once and for all.


Wild at Heart
1990 · 2h 5m
country: United States
Young lovers Sailor and Lula hit the road to start a new life together away from the wrath of Lula’s deranged, disapproving mother, who has hired a team of hitmen to cut the lovers’ surreal honeymoon short.