Rabbi David Rosen is the Chairman of IJCIC, the International Jewish Committee on Interreligious Consultations, a broad-based coalition of Jewish organizations representing world Jewry to other religions.

He is the Director of the American Jewish Committee's Department for Interreligious Affairs and its Heilbrunn Institute for International Interreligious Understanding. 

Rabbi Rosen also serves on the Israeli Chief Rabbinate's Commission for Interreligious Dialogue, and represents the Chief Rabbinate on the Council of Religious Institutions of the Holy Land

He is an International President of Religions for Peace (WCRP); Honorary President of the International Council of Christians and Jews (ICCJ); and  serves as a member of the Advisory Committee of the World Congress of Imams and Rabbis. Rabbi Rosen is a member of the World Economic Forum's C-100, a council of 100 leaders formed for the purpose of improving relations and cooperation between the Muslim and non-Muslim worlds.  He is on the Executive of the World Council of Religious Leaders; and is also a member of the Elijah Institute's World Board of Religious Leaders.He is a founder of the Interreligious Coordinating Council in Israel that embraces some seventy organizations in Israel involved in interfaith relations (ICCI).

Rabbi Rosen was also a member of the Permanent Bilateral Commission of the State of Israel and the Holy See that negotiated the establishment of full diplomatic normalization of relations between the two; and in November 2005  was made a papal Knight Commander of the Order of St Gregory the Great for his outstanding contributions to promoting Catholic-Jewish reconciliation

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 The third son of the renowned Rabbi Kopul Rosen (founding Principal of Carmel College in England) David Rosen was born in 1951 in Newbury, Berkshire, and educated in England and Jerusalem. He served in the IDF and was chaplain to the forces in West Sinai. Subsequently he served as the Senior Rabbi of the largest Jewish congregation in South Africa, in Sea Point , Cape Town, as well as on the Cape Beth Din (Ecclesiastical Court.) and he was the founder/chairman of the  Cape Inter-Faith Forum, the Council of Jews, Christians and Muslims. 

Thereafter he was appointed Chief Rabbi of Ireland during which time he also served on the Academic Council of the Irish School of Ecumenics. He returned to Israel in 1985 to take up the appointment of Dean at the Sapir Center for Jewish Education and Culture in the Old City of Jerusalem and subsequently became Professor of Jewish Studies at the Jerusalem Center for Near Eastern Studies. At that time he also served as the Anti Defamation League’s Director of Interfaith Relations in Israel and as the ADL’s co-liaison to the Vatican.  In 1997 he was appointed to the position of Director of the ADL Israel office. He assumed responsibility for the interfaith activities of the American Jewish Committee in the Spring of 2001 and he is based in Jerusalem.

Rabbi Rosen married Sharon (nee Rothstein) in 1973; they have three daughters and two granddaughters.