Aron Hirt-Manheimer joined the Union staff as editor of Reform Judaism magazine in 1976 after receiving his MA in Jewish Education from the Hebrew Union College-Jewish Institute of Religion. For a dozen years he also edited Keeping Posted magazine, as well as serving as editor of the UAHC (now URJ) Press.

His career as an editor began in 1969, when he founded the West Coast Jewish Quarterly Davka magazine, which was praised by the Encyclopedia Judaica "for fostering a Jewish cultural renaissance."

His book credits include The Voice and Vision of Elie Wiesel (a three-volume collection published by the Holocaust Library, Jagendorf's Foundry: Memoir of the Romanian Holocaust (HarperCollins, 1991), Jews: The Essence and Character of a People (with Arthur Hertzberg, HarperCollins, 1998) and The Dancer Within (Wesleyan University Press, 2008, editor).

He is an honorary member of the National Association of Temple Educators, the 1988 recipient of the Anne Frank Medal, awarded by the New York City Council for "achievement and special commitment to the unity of the Jewish people and the State of Israel," and in 2001 was awarded an honorary Doctor of Jewish Religious Education from the Hebrew Union College-Jewish Institute of Religion.

He and his family are members of Temple Israel in Westport, Connecticut.