Jake Sinclair is an American producer, songwriter, and engineer known for his polished pop-rock sound and collaborations with some of the industry's biggest artists, including Panic! At The Disco, Weezer, Taylor Swift, and Fall Out Boy. A Grammy-nominated multi-instrumentalist, Sinclair is praised for his ability to modernize an artist's sound while preserving their emotional core, often balancing crisp production with strong melodic sensibility. He is also a founding member of the indie project A Great Big World and operates his own studio, honoring both classic and contemporary pop influences.

Jake Sinclair worked with ONE OK ROCK extensively during the making of Luxury Disease (2022), contributing as a songwriter, composer, arranger, and musician. He co-wrote and co-composed the songs Neon and Your Tears are Mine, and arranged tracks including Neon and When They Turn the Lights On. Sinclair also performed additional vocals and additional bass on the album. His craftsmanship played a significant role in shaping the polished, internationally oriented sound that defines Luxury Disease.