Ruben K is a composer and sound designer based in Madrid, Spain, known for his cinematic hybrid sound that fuses epic orchestration with modern alt pop and hip hop, all shaped around storytelling.

His music has been featured in campaigns such as Beetlejuice, the Super Bowl 2026, the NBA, NFL, UFC, NHL, the UEFA Champions League, WWE, and in projects for major studios like Sony Pictures. It has also appeared on platforms including Netflix, Prime Video, HBO MAX, ABC, NBC, AMC, and ESPN.

In the video game industry, Ruben has written original music for Tencent Games, contributing to titles including Honor of Kings and Delta Force. He has also created music for other major projects such as Free Fire, and has collaborated on large-scale productions alongside top-tier composers and artists, including 2WEI.

He continues to write music for film, trailers, television, and games, always focused on emotional impact and narrative strength.