Rabbi Seth Mandell

Co-Founder, Co-President

Rabbi Mandell has been involved in Jewish education programs since 1982. He served as Director of the Hillel Foundation at the University of Maryland. During that time, the Hillel program became one of the largest and most active Jewish college educational programs in North America.  A seasoned orator, Rabbi Mandell speaks globally about The Koby Mandell Foundation and current topics in Israel.

Moshe Aron

Projects Director

Moshe has over 20 years of experience in informal educational work and touring programs, including director of Step Forward's training center for youth with cerebral palsy and director of projects at the Jerusalem Hebrew University.

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Shani Gordon, CPA

Comptroller

After becoming a CPA in Baltimore , Md. Shani made aliyah with her family to Efrat where she has been a resident there for over 25 years. Shani has been working for the Foundation since 2003 and also serves as comptroller for the Efrat Medical Center. 

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Dena Wimpfheimer

PR & Production

Dena has worked in the fields of media relations, public relations and entertainment event production for more nearly 18 years.  Originally from New York, Dena received her degree in Media Studies from Queens College of the City University of New York prior to moving to Israel in 2001. 

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Sherri Mandell

Co-Founder, Co-President

A certified pastoral counselor, Sherri runs healing groups for bereaved mothers and manages the women's healing retreats. She won a National Jewish Book Award in 2004 for her spiritual memoir, The Blessing of a Broken Heart (Toby Press, 2003). She is also the author of The Road to Resilience: From Chaos to Celebration (Toby Press, 2015).

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Eliana Braner

Program Director

Eliana Mandell Braner started as a chanicha and went on to become a rakezet at The Koby Mandell Foundation camps. 

She has an MA in psychology  and communications from Ariel University and previously was the director of MASA programs for Sachlav touring companies.

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Judy Rosenstark

Office Administrator

Originally from Monsey, NY, Judy made Aliya in 1991. She worked as a computer programmer in the Federal Reserve Bank of NY prior to Aliya and then as a dental assistant in Gush Etzion. Judy received her BA from Michlalah Jerusalem College for Women and Yeshiva University. 

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Jeremy Wimpfheimer

PR & Production

Jeremy has served as communications consultant, working intensively on numerous high-profile public affairs and political campaigns. Jeremy received his BA in Political Science and History from Rutgers University with concentrations in Political Communications and International Relations prior to pursuing a Masters Degree in Israeli Politics and Society at Hebrew University in Jerusalem. 

Roy Angstreich, MSW

Executive Director

Roy has served as Executive Director of the Foundation since its founding in the Spring of 2002. Since his Aliyah from New York City in 1991, he previously served as Administrative Director of Beit Midrash L'Torah (Jerusalem) and Director of Camp Ariel. He received his BA from Yeshiva College and MSW from the Wurzweiler School of Social Work , Yeshiva University

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Ami Haziza

Director - Machane Koby V'Yosef

And Educational Programs

Ami has been with The Foundation since 2005 , becoming Director of Camp Koby in 2012. Ami serves as the Director of the High School Division of the Education Department of the Moetza of the Shomron, having served in the past as the Co-ordinator of the Division for Youth at risk, teacher and Dormitory Supervisor

Ami has a BA in Education and a MA in Educational Counseling

Rabbi Gil Elmaleh, PhD

Camp Rabbi & Psychologist

Rabbi Dr. Elmaleh is the Dean of Students at Yeshivat Torat Shraga and has worked in summer camps for more than 25 years.  He was Head Counselor at Camp Simcha, Educational Director at Camp Lavi/Camp Mesorah. He is the Founder and Director of Yair Leolam, which teaches Jewish youth about the importance of doing chessed and becoming leaders in their communities.