[1] Born into a secular Jewish family and raised in suburban New Jersey, Saks became interested in religious observance in high school through the influence of a local rabbi and the NCSY youth movement.
[2] Upon graduating from public school he enrolled at Yeshiva University in New York, spending his sophomore year studying abroad at Yeshivat Hamivtar in Efrat, Israel.
In the United States Saks spent two years on the faculty of the Yeshiva University High School for Girls ("Central"), in Queens, NY, teaching A.P.
[4] In 1994 he left the United States and answered the call of Rabbi Chaim Brovender and Shlomo Riskin to serve as the administrator of Yeshivat Hamivtar in Efrat, Israel.
[11] 8 The series was singled out for praise in reviews in The New Yorker[12] and The New York Review of Books, where literary critic Robert Alter wrote, “Jeffrey Saks has undertaken a heroic task in assembling the Agnon Library.”[13] In January 2019 Saks was named the sixth editor in chief of Tradition: A Journal of Orthodox Jewish Thought, published by the Rabbinical Council of America.