Glenn Kaiser is an American musician, singer, songwriter, and pastor known for his work in Christian blues and rock music. He first gained prominence as the frontman of the Resurrection Band (REZ Band), a pioneering group in Christian rock during the 1970s and 80s. Later, he pursued a solo career and also performed with the Glenn Kaiser Band, blending blues, rock, and gospel influences. Alongside his music, Kaiser is deeply involved in ministry and social justice outreach, often using his platform to address issues like homelessness and addiction.