Punk rock bassist Sammy is a Bay Area native who previously played with the San Francisco hardcore band THE SICK and the rock and roll outfit ALL TIME HIGHS which is fronted by DEATH ANGEL singer Mark Osegueda. In 2009, he replaced former Death Angel bassist and founding member Dennis Pepa. Diosdado first joined DEATH ANGEL on stage for their performance at the benefit concert for DEFTONES bassist Chi Cheng, which was held on November 29, 2008 at Fat City in San Francisco, California.