Who is Marco antonio Alvarez soto?

Born in Punta Arenas, Chile in 1977. He played in a Death Metal band called "Infernal Doom" as bassist. Also he played the guitar for the band "Frozen" from 2000 till 2007. He baptized as a Jehovah's' Witnesses in 2008. His experience was featured on The Watchtower April 1st 2012.