Rabbi Yechiel Z. Eckstein is founder and president of the International Fellowship of Christians and Jews. In 2005, Eckstein was appointed Goodwill Ambassador to the State of Israel. Contact through Tönya Derrickson.

Dina Le Gall is an assistant history professor at Lehman College in the City University of New York. Her focus is in Islamic and middle eastern studies. She is the author of A Culture of Sufism, a history of the origins and spread of Sufism through 1700.

Mahboubul Hassan president of the Islamic Society of Greater Manchester and professor of economics at Southern New Hampshire University. In 2007 he received the Martin Luther King Award for his leadership in the Muslim community during times of discrimination and hardship.

The National Havurah Committee is an umbrella organization for havurot, Jewish circles of fellowship, study and prayer. It helps Jews of all denominations and no denomination establish havurot in their areas. It is based in Philadelphia.

Mechon Hadar works to revitalize community, prayer and study among young Jews. Rabbi Elie Kaunfer is director.

The Institute for Jewish Spirituality uses Torah study, prayer, mindfulness meditation, yoga and spiritual direction and retreats to nurture deeper spirituality among rabbis, cantors and lay people. It is based in New York City but now has a Northern California branch. Rabbi Lisa Goldstein, a Reform rabbi, is its executive director in New York.

The Goldring/Woldenberg Institute of Southern Jewish Life in Jackson, Miss., works to bring educational and rabbinic services to isolated Jews and Jewish communities in a 13-state Southern region. Macy B. Hart is president.

Edah is an organization of Modern Orthodox Jews who seek greater openness to the world than does traditional Orthodox Judaism. Edah was founded in 1997 and ceased formal operations in 2006, but its website continues to post useful contacts and information, including a lengthy list of speakers/experts and a library. Rabbi Saul J. Berman is director.

Clal, the National Jewish Center for Learning and Leadership, is a think tank dedicated to training Jewish leaders and enhancing spiritual and civic involvement in American life. Rabbi Irwin Kula is president.