David Mordechai Packouz is born in St. Louis, Missouri, USA.

Packouz grows up in a Jewish family. Details of his childhood are limited, but it's known he was raised in a relatively religious household. He likely attended primary and secondary schools during this period.

It is speculated that he attended a local school in the St. Louis area. Details regarding his academic achievements or further education are scant. He is known to have shown an early interest in music.