Steven M. Cohen is a research professor of Jewish social policy at Hebrew Union College-Jewish Institute of Religion and a senior consultant to Synagogue 3000. He is one of the authors of the 2007 National Spiritual Communities Study and can discuss its findings on independent minyanim and havurot.

Ohalah, the Association of Rabbis for Jewish Renewal, is associated with Aleph and is designed to link Renewal rabbis and cantors with members of the Jewish community. On its website are lists of people, synagogues and organizations committed to Jewish renewal. It is based in Las Vegas.

Aleph: Alliance for Jewish Renewal is an umbrella organization of Jewish groups dedicated to religious renewal of Judaism. It maintains a directory of affiliate communities. The main offices are in Philadelphia.

The United Synagogue of Conservative Judaism is an association of 760 Conservative congregations and 1.5 million members in North America. Rabbi Steven Wernick is CEO.

The Rabbinical Assembly is an international association of Conservative rabbis. Rabbi Julie Schonfeld is chief executive officer.

The North American Association of Synagogue Executives is the professional organization of synagogue executives in Judaism’s Conservative branch. Harry Hauser is executive director.

The Rabbinical Council of America is an organization of Orthodox rabbis, most of whom are Modern Orthodox. Rabbi Leonard Matanky is president. It is based in New York City.

The Orthodox Union is the educational and outreach arm of Orthodox Judaism. It is generally considered a Modern Orthodox organization. Among its main concerns is helping Jews keep kosher and strengthening their traditional rituals, practices and holiday observances. It posts a page that allows users to search for Orthodox synagogues by state. Rabbi Steven Weil is senior managing director.

The Union for Reform Judaism claims 1.5 million individual members in more than 900 synagogues. It maintains a directory of congregations and a directory of summer camps. Rabbi Rick Jacobs is president.