Ruben K is a composer and sound designer based in Madrid, Spain, known for a cinematic hybrid style 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, HIM, Muzzle: City of Wolves, the Super Bowl 2026, the NBA, NFL, UFC, NHL, the UEFA Champions League, WWE, as well as projects for major studios like Sony Pictures. It has also appeared on platforms including Netflix, Prime Video, HBO MAX, ABC, NBC, AMC, MTV, and ESPN.

In the video game industry, Ruben writes original music for companies like Tencent Games, contributing to titles including Delta Force, Honor of Kings, Arena Breakout, Free Fire, King Pro League and more. He has also 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 strong narrative and emotional impact.