Sam Shamoun is an Assyrian-American Christian apologist of Chaldean descent, born in Kuwait to Assyrian Christian parents who had fled persecution in Iraq. He immigrated to the United States as a child, where he was raised in immigrant communities and developed a deep knowledge of Arabic and Islamic texts. Specializing in Islamic textual criticism, Shamoun became prominent in the early 2000s through contributions to websites like Answering Islam, detailed refutations of Islamic doctrines, and live online debates challenging Muslim apologists on biblical and Quranic inconsistencies. Known for his aggressive debating style and multilingual proficiency, Shamoun frequently collaborates with other Christian polemicists and runs YouTube channels such as Shamounian and Answering Adventism, amassing significant online followings. His work has sparked controversies, including accusations of hate speech from critics and fatwas labeling him an enemy of Islam, though he maintains his critiques are scholarly and faith-based. Shamoun resides in the United States and continues active engagement in digital apologetics.