He studied at the Jewish Theological Seminary and in Israel, earning degrees in Judaic studies from Rutgers Unversity and Baltimore Hebrew College. In 2001 Reb David received his "semicha" ordination from the Aleph Seminary founded by Rabbi Zalman Schachter-Shlomi.
A past president of Ohalah, the Rabbinic Association of Jewish Renewal Rabbis, Reb David is also a musician and composer of new liturgical music. He is a founder of Yachad, the Jewish Housing Development Corporation, Jews United for Justice, and the Jewish Folk Arts Festival.
He is active in the Chesapeake Climate Action Network, the Montgomery Countryside Alliance and also Rabbis for Human Rights.