Vaad HaRabbonim

Yeshiva Kesser Yosef is guided by our Vaad HaRabbonim who meet regularly with the Hanhalah of the yeshiva. 
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Rabbi Mordechai Scheiner שליט״א
Rabbi Yoseph Oziel שליט״א
Rabbi Yaakov Kaufman שליט״א​

Hanhalah

Rabbi Yisroel Treger
Rosh Yeshiva
Grade 10 Rebbi

Rabbi Treger learned in Yeshivas Ponovezh, Novominsk, and Brisk before settling in Toronto. He possesses extensive experience mentoring students in Eretz Yisroel and training in Kollel Rabbanus. Rabbi Treger combines practical wisdom with genuine care, pushing talmidim to develop an authentic connection to Torah and utilize their unique inner strengths. 
Rabbi Nesanel Fettman
Menahel
Grade 9 Rebbi

Rabbi Fettman grew up in Brooklyn, NY. He studied in Yeshivas Vyelipol and then in Brisk under Reb Dovid Soloveitchik. After his marriage, he settled in Toronto and learned for 10 years in Rabbi Muller’s Kollel (also known as the Chassidishe Kollel).
During those years, Rabbi Fettman worked individually with many bochurim of all ages to build up their Emunah, self-esteem, and learning skills. Rabbi Fettman joined Rabbi Zwebner in founding Yeshiva Kesser Yosef to provide a truly unique environment to enable any talmid with a desire for success, to reach unimaginable heights.  Rabbi Fettman has the special ability to make Emunah something real and tangible for his talmidim. He also can break down a Gemara in a way that enables talmidim on different levels to all come away with a feeling of clarity and understanding of the sugya.   
Rabbi Shmuel Rosenberg
Mashgiach

Rabbi Rosenberg was born and raised in Toronto, Canada. After learning in Eretz Yisroel at Yeshivas Mercaz HaTorah and the Mir, he graduated the Ohr Lagolah program where he got his smicha from Rav Zalman Nechemia Goldberg. Rabbi Rosenberg has over a dozen years of experience teaching Torah and counseling students in yeshivos in Eretz Yisroel before moving back to Toronto. His unique counseling style helps the students identify their goals and give them the strategies and tools to achieve them. Rabbi Rosenberg monitors each student's personal progress and growth to ensure that they are on the path to reach their fullest potential.  Through his humor and warm personality, the students feel they can talk to him about anything.
Rabbi Ephraim Klein
General Studies Principal

​Rabbi Klein, a Toronto native, began his educational journey at Yeshivas Ner Yisroel, where he attended both high school and Kollel, immersing himself in rigorous Torah study and spiritual growth. He went on to pursue a degree in Mathematics at York University, graduating with honors. To further expand his expertise, Rabbi Klein continued his education at the University of Toronto’s Ontario Institute for Studies in Education (OISE), specializing in special education.
With a deep passion for teaching and guiding others, Rabbi Klein has dedicated many years to the field of education, serving in various capacities. He has worked as a dormitory Mashgiach, providing mentorship and support to students in a residential setting, and as an elementary school Rebbi, inspiring young minds with his knowledge and enthusiasm.
In 2014, Rabbi Klein became a General Studies Principal, skillfully combining his expertise in both Judaic and secular studies to create a well-rounded and enriching educational experience for his students. In 2022, he joined Kesser Yosef as General Studies Principal, continuing his commitment to fostering academic and personal growth in his students.
Rabbi Dovid Warman
Grade 11 Rebbi

Rabbi Warman was born and raised in Brooklyn, New York where he learned in Yeshiva Toras Emes. After graduating High School from DRS Yeshiva High School in Woodmere, he attended Yeshiva Ohr Yerushalayim (OJ), Yeshiva Gedolah of the Five Towns, and the Mir. Following his marriage he had the Zchus to live and learn in Eretz Yisrael for 7 years before moving to Thornhill to be part of Kollel Ohr Yosef. Rabbi Warman enjoys interacting and connecting with his students both inside and outside the classroom!​
Rabbi Messod Azoulay
Grade 12 Rebbi

Rabbi Messod Azoulay was born and raised in Toronto. He's a proud graduate of Or Haemet and Yeshivas Ner Yisroel. He learnt in various Yeshivos and Kollelim in Eretz Yisroel for 9 years, including the Mir Yeshiva. Rabbi Azoulay has Semicha from Rabbi Amram Assayag, Rabbi Yitzchok Kaufman and Rabbi Shalom Cohen. He served as the Assistant Rabbi of the Sephardic Kehila Centre for 3 years and taught at Yeshivat Or Chaim for 6 years. He's currently, and for the last 9 years, the Rabbi of Magen David Congregation. Rabbi Azoulay is also part of the Toronto Beis Din and the COR Rabbinic Advisory board.