His name is Mendel Bij de Leij and he’s a producer and composer from the Netherlands. He’s played guitar in a band called Aborted for 7 years and after that he became a full-time producer and composer in 2018. Mendel also creates mixing/mastering lessons in the metal genre for the Cubase YouTube channel. Besides, he has a solo career called “Mendel” which mainly consists of instrumental progressive metal music.