Henry Saiz is a Spanish electronic music DJ and producer born Enrique Saiz Gonzalez in Madrid. He began his career as a bass guitarist for the black metal band NahemaH, releasing the album Chrysalis in 2001. After hearing the single "A Break in the Clouds" by James Holden in 2003, Saiz transitioned to electronic music and released his first official single in 2006. He gained international recognition through labels such as Renaissance, Global Underground, and Bedrock, notably for his remix of "Lamur" by Guy J. In 2011, he launched the label Natura Sonoris, which was named "Best Label" of the year by DJ Magazine, and mixed the compilation Balance 019. Saiz released his debut studio album, Reality Is for Those Who Are Not Strong Enough to Confront Their Dreams, in 2013. He later crowdfunded the audiovisual project Human, released in 2018. In 2022, he renamed his live band Moonlight Wolves and released the single "Gardens by the Bay".