Rabbi Yossi Rapoport - Judaic Upper School Administrator

Patrick Crowley - Dean of Students 

Mr. Crowley is passionate about supporting a community that provides all of its members with opportunities for personal and intellectual growth. He believes that all great schools are rooted in strong communities.


Patrick received his BA in Cultural Anthropology from Columbia University. Concurrently he completed the Barnard Education Program. He also earned an Masters Degree in Sociology from Brooklyn College. After five years of teaching he was accepted into the SAM program, which allowed him to earn a Masters Degree in School Leadership from Baruch College and a School Leader Certification while apprenticing under the current Deputy Chancellor of New York City Public Schools.

Patrick has a diverse range of teaching and administrative experiences. He worked in a Brooklyn public high school for ten years as a teacher, a curriculum designer, and a teacher trainer. He worked as the Dean of Academics at the prestigious Johns Hopkins University CTY summer program and was the Lead Education Coordinator in a school for at-risk youth in Portland, Oregon. For the past four years he has been a Clerk, teacher, and coach in Bucks County, PA.

Patrick was born and raised in Philadelphia, Pennsylvania.  He lived and worked in New York City for 15 years. He and his wife have a 6-month old daughter they look forward to raising in Orange County.

Rochel Leah Stillerman - Director of Student Life

Mrs. Stillerman, her husband Rabbi Tzali, and their children, serve as the Chabad Shluchim in Aliso Viejo, California.


I have been the leading teacher and Mashpia in the Upper School for the past decade and I served as special advisor to the Administration. I have a vibrant approach to teaching and enjoy weaving life lessons into each class. I have a scholarly approach to Judaic learning and I am devoted to the well-being of the students, I am excited to be joining the administrative staff of the Upper school.

I will be working in developing Judaic curriculum as well as working with the B’nos youth directors as a supervisor, helping them plan engaging and meaningful programs for the students.  I will be advising students in religious values, life goals, and general emotional growth. I will also be available daily to meet with students to oversee their progress.

Marjan Jahanfard - Middle and High School Math Teacher

Marjan graduated cum laude from University of Pittsburgh with a Bachelors of Science in Mathematics and Psychology with a minor in French. She then earned her Master’s degree in Business Administration (MBA) from University of Pittsburgh. After working in the corporate world for several years, she received her teaching credential in K-12 mathematics also from University of Pittsburgh.  For the past 6 years, Marjan has taught a variety mathematics classes at the Hebrew Academy ranging from general math to pre-calculus. 

Lisa Lopez - Curriculum Specialist/Special Student Services

I have an extensive background in education as a Teacher, Academic Coach, and Curriculum Specialist. I hold a Bachelor’s of Art Degree in History, Liberal Studies and Teaching Credential from California State University, Long Beach in California.  I also have a Masters of Education in Curriculum and Instruction and I am currently a doctorate student of Education with Concordia University. My personal interests include spending with time my family, including my husband and two highly energetic sons.  We enjoy traveling, musicals, museums, and spending time in nature.  


Lauren Adler - Middle School English Teacher

Ms. Adler is passionate about educating our future leaders, and she knew from an early age that she would become a teacher. She has taught Language Arts, Math, Science, and Social Studies in elementary and middle school and high-school English and History.  She has also worked as a school administrator. Born and raised in L.A, she earned a degree from UCLA, where she studied Communications, Education, and Liberal Arts. She also studied for a time at the University of Essex in Britain and later earned certification in Supervision and Administration.  Among her accomplishments as a teacher, she was honored to receive the National Beth A. Lake Award and a grant for her Writers' Workshop program.  


Dorian Shiver - Science Teacher and xSTREAM lab

Dorian Siver has been teaching at The Hebrew Academy since 2018. Before he came to join our family, he worked as a dual-language classroom and as a STEM instructor. Born in Albuquerque, New Mexico to parents who were both teachers, he was raised with a passion for learning from an early age. A love of language led him to the stage, where he performed in plays throughout middle and high school, and went on to study theatre at the University of New Mexico. Subsequently he earned a Master’s Degree in Education and then relocated to California.  He brings passion, dedication, curiosity, and a sincere devotion to the art and science of teaching.


Nicolas Constantino - Middle School Social Studies Teacher

In addition to teaching Middle School Social Studies, Mr. Constantino runs the Associated Student Body Government at The Hebrew Academy.  He has lived most of his life in Orange County. He earned a BA in Political Science from UC Irvine, where he graduated after three years cum laude.  After some experience working in campaigns and government, Mr. Constantino felt a calling to become a teacher, and subsequently pursued his teaching credential from CSU Long Beach. His passion is teaching history and his philosophy is that history is key to understanding our identity, teaching us lessons from successes and failures past, and engaging in constant practice of critical thinking and reflection.  Mr. Constantino strives for each student to feel welcomed, supported, safe in a stable classroom environment so that they are free to actively take the lead in their learning and growth. He encourages students to make every day a success by ending each day slightly better than the one before. When he’s not teaching, Mr. Constantino enjoys reading, going to the movies, going to the beach, and trying new foods.