Complex sentence: He was the former guitarist and lead for avant-garde/progressive metal band Kekal, and also the co-founder of experimental death metal project Altera Enigma along with Jason DeRon of Paramaecium.
Split into simpler sentences: He was the former guitarist and lead for avant-garde/progressive metal band Kekal. He is also the co-founder of experimental death metal project Altera Enigma along with Jason DeRon of Paramaecium.