He studied at Yeshiva Mesivta Torah Vodaas, in Brooklyn, NY.

[5] Hadassa's father, Schneour Zalman Schneersohn,[6][circular reference] was a first cousin of Levi Yitzchak Schneerson, the father of the 7th Lubavitcher Rebbe, Menachem Mendel Schneerson,[7] who said the first 2 blessings under his wedding chupah.

His daughter Sterna Citron wrote a book about her fathers stories.

[10] After his father's death in 1967, Eli and his brother assumed the position of spiritual leaders of the Congregation Kehilath Jacob (Founded in 1945),[11] the landmarked[12] "Carlebach Shul," located in the Upper West Side of Manhattan.

[13][14] The synagogue was famous for its worshippers, young and old, female and male, traditional and liberal who participated in services there.