Rabbi Roberto D. Graetz has been a rabbi at Temple Isaiah since 1991. Prior to that he served in Buenos Aires, Argentina and Rio de Janeiro, Brazil, after having been ordained by the Hebrew Union College-Jewish Institute of Religion in 1972. During his rabbinate Rabbi Graetz has been active in Human Rights issues, the problem of street children in Brazil, and homelessness in Northern California. He presently serves on the Advisory Board of Rabbis for Human Rights –NA, on the Board of Contra Costa Interfaith Housing, an organization of 25 churches and synagogues providing housing and supportive services to formerly homeless families which he helped found, and is Vice Chair of the North American Council of the World Union for Progressive Judaism.