Administration Team

Rabbi Yossi Rosenblum
CEO

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Prior to being appointed CEO, Rabbi Rosenblum, served as Principal of the Boys Division. During his tenure, the Yeshiva was recognized as a Blue Ribbon School of Excellence by the U.S. Department of Education. He also led the effort to document the school’s systems, processes and methodologies. This documentation was submitted to the Middle States Commission on Higher Education, which accredited the Yeshiva’s middle grade program.

Rabbi Rosenblum has over 30 years of experience as an innovative educator and administrator. Among his accomplishments, he founded the International Sefer HaMitzvos Competition and authored the Sefer HaMitzvos booklets used by 40 schools. He also worked on the ground-breaking Gemara Berura teaching methodology, and hascholas gemora workbook, which incorporated Differentiated Instruction (DI) and Understanding by Design (UBD) learning techniques. In addition, Rabbi Rosenblum headed the team responsible for establishing the Zekelman Standards for Chumash and Talmud. These standards have been implemented in over 50 schools.

Rabbi Rosenblum has given educational leadership seminars for principals and school leaders and has served as a consultant for tens of schools in the U.S. and Canada. Rabbi Yossi Rosenblum was ordained from the United Lubavitch Yeshiva.

Mrs Chaya Sara Barrocas
Judaic Director, TELC

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Mrs. Chaya Sara Barrocas is Judaic Director at The Early Learning Center at Yeshiva where she supports the Judaic teachers, supervises the Judaic curriculum, and coordinates school-wide events and celebrations.

Mrs. Barrocas is a member of the CECE Network and the Jewish Federation of Greater Preschool Director Group. She was a member of the Chabad EC Curriculum Committee in 2000 helping to determine goals and standards for each age group in Chabad preschools.

Mrs. Chaya Sara Barrocas is a graduate of Beth Rivkah school for Higher Education. She is currently continuing her education at Carlow University. She has over 25 years of experience in the Early Childhood field.

Mrs. Chaya Sara Barrocas is mother of 9 beautiful children and 4 beautiful grandchildren KA”H. She taught Tanya and Jewish meditation while on shlichus in Nashville, TN.

Dr. Danelle Conner
Director of General Studies, Principal of Grades 1-6

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Dr. Danelle Conner has worked in education for almost 20 years as a teacher, academic coach, and administrator. As an administrator, she has served as a Principal, Director of Instruction, and Chief Academic Officer. Dr. Conner has her MAT from Chatham University, Principal Certification from Carnegie Mellon University, and her Doctorate in Curriculum and Instruction from Indiana University of Pennsylvania. She lives in Regent Square with her husband Matt and their dog Libby.

Mrs. Batsheva Deren
Girls Principal Grades 1-12

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Mrs. Batsheva Deren manages policies and procedures and supervises Judaic teachers and curriculum across the Yeshiva Girls School. She is responsible for scheduling, curriculum development, extracurricular activities and personnel management. She oversees the maintenance of the school’s motivational framework, maintains concurrent disciplinary policies, and works with parents to address behavioral and emotional health issues. Mrs. Deren is passionate and committed, and seeks to imbue that passion and commitment into each and every one of her students.

Mrs. Deren graduated from Beis Rivka Seminary in Kfar Chabad, and has since continued her education with AJL, Lookstein Center, and Menachem Foundation training. In her 40+ years as an educator and administrator at Yeshiva Schools, Mrs. Deren has worked in numerous positions and overseen many innovations and advancements across curricula and educational and administrative processes.

Rabbi Mannis Frankel
Boys Elementary Judaics Principal

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Rabbi Mannis Frankel was born and raised in Los Angeles, CA. After completing his formal Yeshiva years, he set his eye on making a difference in the world of education and began teaching.

While working at his first part-time teaching job in Los Angeles in 2006, he received his Rabbinical Ordination. In 2008, with the goal of making education his choice of career, he completed the MEF Teacher Induction Program.

In 2014 Rabbi Frankel was awarded by the MEF with the Eisenberg Award for Excellence in Education.

In 2015 Rabbi Frankel moved with his family to Pittsburgh to accept a teaching position at Yeshiva Schools. In 2019 he took on a leadership role at Yeshiva, becoming the principal of the boys elementary and middle school.

Rabbi Frankel is passionate about education with a student-centered approach. He works to bring out each child’s inner strength and help them develop as the best version of themselves.

Mrs. Nami Friedman
Girls Assistant Principal Grades 1-6

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Mrs. Nami Freidman is responsible for managing policies and procedures and supervising Judaic teachers and curriculum to ensure that each student in those grades develops as a whole child. She is responsible for scheduling, curriculum development, extracurricular activities and personnel management. In this position, she attends to the educational, social, emotional, and behavioral needs of all students in grades 1-6 over the whole day, from arrival to well after dismissal. She also assists the principal with transitional grades and high school students when needed. Mrs. Friedman graduated from Beis Rivka Seminary in New York and is continuing her education with the Sara Schenirer Institute. As a regular member of Menachem Foundation think tanks, conventions, and symposia, she participates in developing programs towards excellence in education and social and emotional learning. She is proud of each and every student under her care, and invests time and effort to see them grow and succeed.

Ms Crystal Kuharski
Director, TELC

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Crystal Kuharski is the director of The Early Learning Center at Yeshiva. She received her Bachelor’s degree in Early Childhood Education and her Master’s in Early Literacy/ Reading Preschool-6th grade. She has taught 2nd grade, but mostly worked in preschool programs as a teacher, coach/mentor, professional development coordinator, program specialist, and director. She provides mentoring/ training in many topics, but her favorite is Conscious Discipline focusing on the adult being able to self-regulate prior to supporting the child through their emotions. It is an honor to work for Yeshiva everyday with an amazing team and wonderful children and families to lead them in learning skills to be successful in their next chapters of life.

Dr. Madeline Nassida
Wellness Director

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Dr. Nassida is a licensed psychologist who obtained her doctoral degree in counseling psychology from Carlow University. She completed a residency with Cleveland Clinic Children’s Hospital as well as a fellowship with the Center for Pediatric Neuropsychology, where she currently provides neuropsychological evaluations and counseling services to children and adolescents. Dr. Nassida is also an adjunct professor for Carlow University.

Rabbi Chezky Rosenfeld
COO

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Rabbi Chezky Rosenfeld is the senior executive tasked with overseeing the day-to-day administrative and operational functions of Yeshiva Schools.

Rabbi Rosenfeld began his education right here in Yeshiva Schools, after which he graduated from Central Lubavitch Yeshiva in Brooklyn. After graduation, he took positions in leadership training in Chicago and Los Angeles. He returned to Pittsburgh to work at Yeshiva in 2011, where in addition to running the highly successful Camp Gan Israel, he took over the day to day financial and operational aspects of Yeshiva Schools. There he used his strong managerial, communication, and leadership skills to innovate multiple revenue and fundraising streams and campaigns, reinvigorating the annual Yeshiva Dinner and updating processes for donations and contributions. In 2019, he played a leading role in the Yeshiva’s Syntagma Strategic Planning, and helps oversee its development and implementation. Rabbi Rosenfeld was instrumental in bringing in Pre-K Counts and expanding the EITC program to Yeshiva and the greater Pittsburgh Jewish community. And during the COVID-19 epidemic, Rabbi Rosenfeld introduced and personally oversaw the distribution of the National School Lunch Program to the Pittsburgh Jewish community.

Rabbi Rosenfeld is a third generation student at Yeshiva, and his children are the fourth generation of his family to attend. He looks forward to many more generations attending the vibrant and successful Yeshiva Schools of the future, and is proud to be a part of its growth.

Mrs Leah-Perl Shollar
Principal of General Studies, Grades 7-12

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Leah-Perl Shollar (General Studies Principal 7-12) is currently a doctoral candidate at the Azrieli Graduate School of Education (Yeshiva University) and has a M.S. Education; she attended seminaries in Israel and Brooklyn. Shollar has over thirty years of experience as an educator with students from preschool to adults; currently, she teaches Chumash and Jewish History in our Girls’ High School. Prior to joining Yeshiva’s administration Shollar worked at the Jewish Learning Institute as an instructional designer and curriculum specialist in partnership with Touro College, and published award-winning books for children, as well as works for adults.  In her capacity as principal, Shollar oversees all aspects of the student learning experience, paying particular attention to the scholastic and hashkafic requirements of our curriculum, as well as the individual needs of each student.

Rabbi Eliezer Shusterman
Principal, Mesivta Boys High School

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Rabbi Eliezer Shusterman is the Principal of the Mesivta/Boys High School and is responsible for managing the day-to-day activities of the Mesivta. In this role, he implements procedures, processes, and systems that promote operational efficiency and academic performance.

His specific responsibilities include monitoring Judaic staff, and ensuring that students meet curriculum goals. He also sees that the school’s disciplinary policies are maintained, and when necessary, works with parents to address behavioral and disciplinary issues. In addition to his supervisory responsibilities, Rabbi Shusterman teaches 9th grade Talmud.

During his career, Rabbi Shusterman has taught in Australia, South Africa, as well as in several American schools prior to joining Yeshiva Schools. He joined Yeshiva Schools in 1993. He has a passion and a love for Jewish education and is now teaching a second generation of students in Pittsburgh. He gets tremendous nachas from seeing his students succeed in their respective fields in life.

Rabbi Eliezer Shusterman received a Bachelor’s degree from the Rabbinical College of America. He received Rabbinic ordination from the Central Lubavitch Yeshiva. In terms of Professional Development (PD), he attended every PD seminar and presentation given at Yeshiva over the last 25 years. In addition, he has given a number of presentations at Chabad educational conferences in New York.

Mrs. Mindy Small
Director Trauma Sensitive Initiative / Boys General Studies 1-6

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Mindy Small earned a BA in Judaic Studies and Elementary Education from Stern College, Yeshiva University and a M.Ed. in Special Education from Duquesne University. She has worked as an Administrator at Yeshiva Schools in several capacities, for over 26 years, most recently participating in the Yeshiva’s yearlong endeavor in the acquisition of Middle States Accreditation for the Elementary School. Mrs. Small is currently working in the Elementary Boys General Studies department and is the Team Leader for the Trauma Sensitive School Initiative. Mindy and her husband Mitchell have raised six children, who are proud to be Yeshiva Graduates.

Rabbi Mendel Unsdorfer
Assistant Principal, Mesivta Boys High School

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Rabbi Mendel Unsdorfer serves as the Assistant Principal for the Boys High School. In this capacity, he supports the principal and staff in their efforts to help students grow academically, socially, and spiritually. His duties include helping the principal and staff to identify the knowledge, skills and abilities required to succeed at the post-mesivta level, and then helping them to devise a baseline curriculum that can be tailored to meet indivdual needs.

In addition to his administrative duties, Rabbi Unsdorfer develops and directs the nightly and weekend learning schedules, as well as all extra-curricular programming. All his efforts are designed to ensure students’ emotional and physical well-being. To that end, Rabbi Unsdorfer spends much of his time guiding and mentoring students. When necessary, he will also involve other members of the faculty and support staff.

Rabbi Unsdorfer received his Rabbinic Ordination from Central Lubavitch Yeshiva in New York. Prior to arriving in Pittsburgh, he spent four years involved in post-high school boys administration and an additional three years as the Assistant Principal in the United Lubavitch Yeshiva in NY. In terms of Professional Development, he completed the Leadership for Educators course developed and presented by the Menachem Educational Foundation.