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In alphabetical order by first name

Aaron Kagan, Teen Engagement Coordinator

Aaron Kagan (he/him/his) taught Judaica classes for middle school students and led teen activities at CBI from 2010 to 2012. In 2022, he rejoined the staff as the Teen Engagement Coordinator. Aaron has several years of high school teaching experience, including the Pioneer Valley Chinese Immersion Charter School in Hadley, and the United World College USA, which is an international high school with a focus on peace and sustainability that is located in New Mexico. Aaron has a BA in literature from Brandeis University. Prior to teaching, he spent five years performing and leading theater workshops across the U.S., and his writing has appeared in publications such as the Boston Globe, the Forward, and Smithsonian. He lives in Florence and loves hiking with his family and dog, writing poetry, cooking, and foraging for wild edibles.

Amy Stein, Engagement Coordinator

Amy Stein (she/her/hers) is the Engagement Coordinator. Her experience includes building a community of volunteers and interns in her work at Jewish Vocational Service; launching an engagement initiative at Temple Shalom in Newton; and founding the Newton Mothers’ Forum. She earned a BFA from Parson’s School of Design and an MBA in Nonprofit Management from Boston University. She is deeply committed to helping people find meaning and belonging in community.

Aram Rubenstein-Gillis , Music Director

Rabbi Ariella Rosen, Co-Interim Rabbi and Director of Youth and Family Education and Engagement

Rabbi Ariella Rosen (she/her) began serving as CBI’s Director of Youth and Family Education and Engagement in the summer of 2022. Previously, she served as the director and Jewish educator at Hillel at the University of Toronto. She also worked as the assistant rabbi at Adath Israel in Merion, PA, and the rabbinical and cantorial admissions director at the Jewish Theological Seminary (JTS) in New York City. Rabbi Ariella was ordained as a rabbi from JTS where she also earned a MA. She earned BAs from JTS and Columbia University in midrash (biblical interpretation) and psychology. Rabbi Ariella strives to embody a mindset of welcoming and joy in both work and life.

Elijah Burger, Youth & Family Administrative Assistant

Em Freedman, Shefa Educator

Emily Bristol, Building Services Associate

Emily Bristol (she/her/hers) serves as a part-time custodian and integral member of the kiddush team at CBI. Emily graduated from the Isenberg School of Management at UMass Amherst with a Bachelors Degree in Accounting and Information Systems. She has always loved to clean and organize and enjoys being able to put these skills to use at CBI. Emily loves being a part of the CBI community and cherishes the relationships she has formed over the years with both staff and congregants. 

Emily Kieval, Executive Director


Emily Kieval (she/her/hers) has served as the Executive Director since August 2019. Previously, she served as the Director of Inclusion at Temple Shalom in Newton. She also served as a Regional Director of Yachad, the National Jewish Council for Disabilities. Emily received her Bachelors Degree from UMass Amherst and her Masters Degree from Columbia University. Emily is passionate about building resilient and inclusive communities.

Schedule a meeting or call with Emily.


Ezra Tumbleson, Gan Keshet Administrator

Rabbi Jacob Fine, Co- Interim Rabbi and Senior Director of Jewish Life and Abundance Farm


Rabbi Jacob Fine (he/him/his) has served as the Director of Jewish Life and Abundance Farm since 2013.  Previously, he served as a rabbi and educator for a number of leading Jewish environmental organizations including the Teva Learning Alliance, Adamah, Hazon and the Jewish Farm School. A Wexner Graduate Fellow and former Rabbi and Assistant Director at Hillel at the University of Washington, Rabbi Jacob was ordained as a rabbi from the Ziegler School of Rabbinic Studies where he also received an MA in Rabbinic Studies. He is also a graduate of Vassar College where he received a BA in environmental studies and religion.

Find a time to meet with Rabbi Jacob.


Kate Holdsworth, Director of Gan Keshet Preschool and Young Family Engagement

Kate Holdsworth (she/her/hers) is the Director of Gan Keshet Preschool and Young Family Engagement. Kate has been an integral part of the CBI and Gan Keshet community since she first joined the Gan Keshet faculty as a Parpar teacher back in 2007. Kate has a background in Early Intervention, Special Education, Art, Theater, and Puppetry--including her work with PJ Library Page to Stage. She is a recipient of the Harold Grinspoon Foundation award for teaching excellence in Jewish Education. Kate is deeply committed to the work of cultivating community and a love of the natural world with young children and their families.

Lennie McKemmie, Maintenance Supervisor

Lennie McKemmie (he/him/his) serves as CBI's Maintenance Supervisor, overseeing our building and grounds with great care. He has a background in HVAC and can build just about anything. When he isn't at work, you might find him engrossed in his art, creating intricate woodburned illustrations of animals. 

Matti Weisberg, Abundance Farm Educator

Miriam Kudler-Flam, Communications and Marketing

Naomi Ruth, Office & Volunteer Coordinator

Nili Simhai, Director of Environmental and Agricultural Education

Nili Simhai (she/her/hers) serves as the Director of Outdoor Education for Abundance Farm. Nili served as the Director of Teva Learning Alliance, a leading Jewish environmental education organization, for fourteen years.  A recipient of the Covenant Award for excellence in Jewish education, Nili has been recognized for her leadership in training and counseling hundreds of educators in the tenets of Jewish environmental education.  One of her current passions is outdoor classrooms in Jewish institutions.

Sid Silverman, Abundance Farm Manager

Thomas Bradbury, Facilities and Events Coordinator

Tom (he/him/his) and his wife, Sheryl, live in Florence along Mill River and enjoy bird watching and walking along Mill River to Smith College’s Botanical Gardens and into downtown Northampton. Their daughter, Hope, is a Junior High School Science Teacher in Indiana. Tom is a guitarist with the Happy Valley Guitar Orchestra and the Tune Raiders and he plays several solo acoustic guitar shows a year in which he highlights fingerstyle playing and the Country Blues. In his heart he is a songwriter, a poet, and a writer. Tom has a Bachelors in English Literature and a Masters in Business and Analytics. Tom also is a licensed Real Estate Salesperson and is a member of the Jones Group Realtors working out of the Amherst office.


Mon, September 25 2023 10 Tishrei 5784