David Werdyger is a Polish-born Jewish American musician. He is a popular Hazzan, and the author of "Songs of Hope". He is the father of Mordechai ben David (David referring to his father, "ben" meaning son of in Hebrew). David Werdyger is a Holocaust survivor and a retired businessman, having operated an extremely successful travel agency (Werdyger Travel) and having founded Hasidic recording company Aderet (Aderet Records and Tapes).