| Sixth Sochatchover Rebbe | |
| Term: | 1987 to present |
| Birth Name: | Shmuel Yitzchok Bornsztain (Bernstein) |
| Predecessor: | Menachem Shlomo Bornsztain |
| Dynasty: | Sochatchov |
| Father: | Menachem Shlomo Bornsztain |
| Birth Date: | 1961 |
| Birth Place: | Tel Aviv |
Shmuel Yitzchok Bornsztain (born 1961), also spelled Borenstein or Bernstein, is the sixth Rebbe of the Sochatchov Hasidic dynasty.
Bornsztain was born in Tel Aviv in 1961. His father was Rabbi Menachem Shlomo Bornsztain who the fifth Rebbe of Sochatchov, the fifth Rebbe of Radomsk and Rabbi of the Yad Eliyahu neighborhood in Tel Aviv.
Bornsztain was orphaned in 1969 at the age of 8, when his father was killed in a car accident.
Bornsztain attended the Ponevezh Yeshiva.
In the early 1980's, Bornsztain married Rivka Shternbuch a granddaughter of Grand Rabbi Boruch Hager of Seret-Vihznitz. Rivka's father, Rabbi Eliyahu Shternbuch was the Av Beit Din of the Machzikei Hadaas Kehilla. He was a brother of Rabbi Moshe Sternbuch and a brother-in-law of Rabbi Meshulam Dovid Soloveitchik.
Bornsztain's son, Meir, is married to a daughter of Grand Rabbi Nachum Dov Brayer of Boyan.
In 1987, 18 years after the sudden death of his father, Bornsztain acceded to the position of Sochatchover Rebbe.[1]
The Rebbe leads the Sochatchover dynasty from the Bayit VeGan neighborhood of Jerusalem, where the Sochatchov yeshiva, Yeshivat Avnei Nezer, is located. In 2018, he established an additional beis midrash and kollel in Beit Shemesh.[2]