Jay Poster was born October 16, 1954 in Brooklyn, New York. He grew up in San Diego, California.

Music brought Jay Poster to Las Vegas for a brief time in 1974. Jay wanted to pursue a musical career and his cousin was a professional musician with the Nat Brandwynne Orchestra at Caesars Palace. Poster left Las Vegas to return home to San Diego and his studies at San Diego State University. It would be over a decade later before Jay returned to Las Vegas to live and this time it became permanent.