Biography: Marcos BY is a filmmaker based in A Coruña, Galicia & Madrid, Spain. After years of uploading video-game montages on Youtube he started directing music videos for his brother Siempre Best in 2020. At the age of 18 he entered ECAM film school in Madrid and made his first shortfilm "Alexandra" in August 2023. His goal is to make a feature film and make his dreams come true.