Rabbi Chaim Dalfin, Ph.D. received his rabbinical ordination from the Central Yeshiva Tomchei Temimim Lubavitch in Brooklyn, New York. He received his Ph.D. in Psychology from Pacific Western University in California. Rabbi Dalfin is professor emeritus of Jewish Mysticism at the West Coast Talmudic Seminary. He is the author of over 16 books, as well as music and audio recordings. He lectures throughout the US and abroad.