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Adi Zakai">Adi Zakai

HR & Office Manager (New York City)

Adi Zakai was born and raised in Israel. After completing her service in the IDF, she moved to New York to pursue higher education. She holds a BA degree from Hunter College and an MPA from Baruch College. At Masa, Adi manage the entire financial operation and HR of Masa NA. Prior to working at Masa Adi had worked at the Jewish Agency at Partnership 2000.


Adi lives in Forest Hills, NY with her husband and two boys. In her free time she enjoys swimming and hiking and camping with her family.

Jessica Schapiro">Jessica Schapiro

Director of Partnerships (North America)

Jessica Schapiro oversees Masa Israel Journey’s partnerships with organizations who work within the North American Jewish community. Jessica works closely with those organizations to ensure a growing number of 18-30 year olds participate on long-term programs in Israel. Jessica is also working with the Masa marketing team to give Masa alum access to exciting programs, opportunities, and experiences offered by Jewish organizations when they return back to the States. 

Before joining Masa Israel, Schapiro was the Manager of Affinity Groups at the Jewish National Fund.  She is an accomplished nonprofit specialist with years of experience in strategic planning, event logistics, social media management, fundraising and executive communications. Jessica holds a master’s degree in fundraising management from Columbia University and a bachelor’s degree in Political Science and Judaic Studies from George Washington University. Jessica lives in New York City with her husband and daughter.

Meara Ashtivker">Meara Ashtivker

North American COO (New York City)

As Masa Israel’s North American COO, Meara manages the national recruitment and marketing efforts in the US, while expanding her vast global and local partner network.


Meara came to Masa from the hi-tech sector, where she served as C.O.O. at Boomset, an innovative event-tech company, managing sales and marketing, and spearheading global partnerships. Prior to joining Boomset, Meara held the position of V.P. of community outreach for, where she created and executed a marketing plan, as well as planned and produced mass-attended events.


True to Masa’s mission, Meara has lived it like a local, having spent significant time living, working, and studying in Israel. After receiving her B.A. from the University of Hartford, she was selected to participate in the Otzma program. In the years following, she moved to Miami to work with Young Judaea and returned to Israel to work for the Jewish Agency for Israel. Meara received an M.A. in non-profit management from the Hebrew University in Jerusalem while working for Beit Hatfutsot.


Meara has served as the board chair for Dor Chadash, and has sat on the board of directors of the American Zionist Movement and the Moatza in New York.

Estefania Osowicki">Estefania Osowicki

Spanish Speaking Desk Rep (Jerusalem)

Estefania is originally from Brazil. She studied Architecture and Business Administration in Sao Paulo, Brazil. She participated in the Lej Leja Masa Program for 8 months, where she did an internship and also met her husband.


She made Aliyah a year ago and now lives in Jerusalem.

Shira Karni">Shira Karni

Program Advisor US & Canada (Jerusalem)

Growing up in a Zionistic home near San Francisco, Shira has always had a passion for Judaism and Israel. After graduating from in Los Angeles in 2007, she enlisted in the IDF and has been in Israel ever since. She is proud to have the opportunity to live in the epicenter of Judaism, and loves sharing her many experiences with young Jews from around the world.

Jodi Taube">Jodi Taube

English Speaking Programs Advisor (Jerusalem)

Jodi Taube, a New Jersey native, is an English Speaking Programs Advisor in the Jerusalem office. She made Aliyah in 2009 after completing a Masa volunteer program. Previously, she ran a scholarship program for youth aging-out of the foster care system.


She has a passion for bringing people to Israel for transformative, life-changing experiences like the one she had. She now lives in Jerusalem with her husband and son.