Born in Boston, Massachusetts, Rabbi Ronald Weiss received his undergraduate degree from Brandeis University; a Masters degree in Jewish Education and Rabbinic Ordination from Yeshiva University. He was a pulpit rabbi for twelve years, serving congregational communities in Binghamton, New York, and Longmeadow, Massachusetts.

Rabbi Weiss moved to Toronto in 1994 where he serves as the Director of Chaplaincy Services at Jewish Family and Child Service. As mandated by UJA Federation of Greater Toronto, he is responsible for overseeing the spiritual and religious care received by Jewish patients in 41 hospitals, Jewish residents in 55 long-term care facilities as well as Jewish inmates in 26 Ontario correctional institutions.

Rabbi Weiss represents the Jewish community on the Canadian Multi-Faith Federation, advising the Ontario Government on Religious observances in Provincial Correctional Institutions. He is the only rabbi in Toronto to carry a badge – serving as the Jewish chaplain for the Toronto Police Service since 2004; and in 2007 he was appointed to serve as the first Jewish Chaplain in the history of the Royal Canadian Mounted Police.

Rabbi Weiss is the chaplain of the Jewish Hospice Program and provides spiritual care and counselling to the terminally ill in the Jewish community.