Rabbi Rosenblatt was born in Baltimore, Maryland. He is the great-grandson of Yossele Rosenblatt. And grandson of Rabbi Samuel Rosenblatt. Rabbi Rosenblatt earned the BA and an MA from the Johns Hopkins University in Comparative Literature. He has a PhD from Columbia University in the field of Modern British Literature, and wrote his dissertation on Ulysses by James Joyce. He studied at Yeshivat Har Etzion and was ordained at the Rabbi Isaac Elchanan Theological Seminary of Yeshiva University in 1982. He is married to an attorney, Tzipporah Rosenblatt, daughter of Rabbi Isadore Twersky and granddaughter of Rabbi J.B. Soloveitchik. They have four children: Judah, Tonya, Samuel and Rivka.
Rabbi Rosenblatt is the rabbi of the Riverdale Jewish Center in the Riverdale neighborhood of New York City where he has begun his 30th year of service to the community. Rabbi Rosenblatt is often invited to speak at clergy conferences on building spiritual values and a feeling of community in congregations.
Rabbi Rosenblatt is known for his work in bridging the gaps that divide Orthodox, Conservative, Reform and secular Jews, for actively supporting the Oslo peace process in the Middle East  In 2014, however, his brother-in-law, Moshe Twersky, was murdered by Palestinian terrorists in a synagogue in Jerusalem.
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- Pressman, Gabe (May 22, 2009). "Terror Foiled; Relieved Rabbi Calls Ray Kelly 'A Mensch'". Retrieved June 8, 2009.
- Wolfson, Ron (2006). The Spirituality of Welcoming. Jewish Lights Publishing. p. 33. ISBN 1-58023-244-2.
- Hoffman, Lawrence A. (2006). Rethinking Synagogues: A New Vocabulary for Congregational Life. Jewish Lights Publishing. p. 215.
- Schwarz, Sidney (2000). Finding a spiritual home: how a new generation of Jews can transform the American synagogue. Jossey-Bass. p. 106.
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- Freedman, Samuel G. (May 30, 2009). "Two Rabbis Find They’re Separated Only by Doctrine". The New York Times. Retrieved June 8, 2009. "To those suspects, described by law enforcement officials as jailhouse converts to Islam and jihadi wannabes, the distinctions between Reform and Orthodox were either irrelevant or invisible."
- "US rabbis lobby for aid to Palestinians". Jerusalem Post. July 14, 1995.
- Pro-peace rabbis lobby lawmakers to stay involved, Jewish Telegraphic Agency , July 16, 1995
- Economic development and U.S. assistance in Gaza/Jericho: hearing before the Subcommittee on Near Eastern and South Asian Affairs of the Committee on Foreign Relations, United States Senate, One Hundred Fourth Congress, first session, July 13, 1995, United States. Congress. Senate. Committee on Foreign Relations. Subcommittee on Near Eastern and South Asian Affairs, U.S. G.P.O., 1995, p. 26
- Malcolm and the Cross: The Nation of Islam, Malcolm X, and Christianity, Louis A. DeCaro, NYU Press, 1998, p. 5
- Stretching Halacha to the limit, Haim Shapiro, Oct 6, 1999, Jerusalem Post
- A Catholic convert's exodus, Mati Wagner, 03-31-2005 , Jerusalem Post
- Singer, Melissa (Feb 15, 2007). "Six million ways to deter Iranian threat". Australian Jewish News. Retrieved June 8, 2009.[dead link]