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David Kalender, Rabbi

Judaism teaches that no matter where we are, what we know or what we believe, there’s always room for growth, and Rabbi Kalender is honored to help community members enhance their Jewish souls through knowledge, practice and engagement. Olam Tikvah now has over 100 Torah readers and Shelichay Tzibor (service leaders), representing congregants from post-b'nei mitzvah to octogenarians. Enthusiasm for all kinds of learning and spiritual growth is burgeoning—weekly Mishnah and Talmud classes, mini-courses on theology and history, Bible and Israel courses in partnership with other DC area institutions, book discussions, Hebrew language classes and Scholars-in-Residence. He also loves to learn and is a Senior Rabbinic Fellow at the Shalom Hartman Institute.


Rabbi Kalender grew up in an active Conservative congregation in Kansas City. Over the years, he developed a love of all things Jewish through family, synagogue life, and Camp Ramah. Eventually, he realized that he wanted his life to center on helping others find the joy and inspiration that comes from a traditional Jewish framework. He holds a BA in English from Columbia University and a BA and an MA in Jewish History from The Jewish Theological Seminary (JTS). Israel is central to his life and he guides a group from Olam Tikvah to Israel almost every year.
The Kalenders feel blessed to be part of this wonderful shul community since 1998. David and his wife, Talya, the Director of Camper Care for Camp Ramah, have three children. Aryeh has just completed his time as a JDC Entwine Service Corp Fellowin Riga, Latvia, Yaira made Aliyah and has just finished her service as an instructor in the IDF, and Nadav recently completed one year working with underprivileged children in Netanya.


Beyond Glenbrook Road, Rabbi Kalender is engaged in the larger community as well. He serves as the Chairman of the Fairfax County Faith Communities in Action and has served as board member of the Jewish Community Center of Northern Virginia,Gesher Jewish Day School and the Partnership to Prevent and End Homelessness in Fairfax County. Don’t hesitate to be in touch with your questions, concerns of the heart or mind, to study, or just to schmooze. Rabbi Kalender can be reached through the Olam Tikvah office (703) 425-1880 or at

Evan Ravski, Assistant Rabbi

Rabbi Ravski grew up in a Conservative home and congregation in Woodbridge, CT. His comfort with Judaism came both from his parents and extended family and from his studies at Conservative Movement institutions, including attending Ezra Academy, a Schechter Day School (K-8th grades) and being a camper at Camp Ramah in Palmer for 13 years.

Rabbi Ravski received his Rabbinic ordination in 2015 from the Jewish Theological Seminary (JTS). He received his MA in Jewish Education from JTS in 2007 and his BA in Judaic Studies from the George Washington University in 2005. Rabbi Ravski served as a 7th and 8th grade teacher and Jewish Life Coordinator at the Solomon Schechter Day School of Bergen County during the period between his MA and Rabbinic studies, and he received a Shapiro Fellowship for Youth Work from JTS. He has served as a 6th and 7th grade teacher and curriculum coordinator and a rabbinic intern at a conservative synagogue, as a student chaplain at a major teaching hospital, and as a Mashgiach at Camp Ramah in Nyack, NY. Rabbi Ravski also attended the Torah Lishmah Program at the Conservative Yeshiva in Jerusalem and is a Leffell Rabbinic Student Fellow at the America Israel Public Affairs Committee (AIPAC).

In his free time, Rabbi Ravski likes to cook (grill season is every season), read, ski, watch television and travel with his wife Abby; however, now most of their free time is taken up playing and exploring the world with their two young boys, Judah and Asher.

Rabbi Ravski can be reached through the Olam Tikvah office or at

Fri, April 10 2020 16 Nisan 5780