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High Holy Days 2026/5787

Join us this High Holy Days and learn about People of the Book.

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Explore all the communities and groups you can join at Temple Isaiah.

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Discover our preschool and K-12 programs through curriculum, activities, & educators.

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At Temple Isaiah, every member feels embraced.

A warm Jewish community where all are welcome, Judaism is vibrant and meaningful, and we strive to bring more light, healing, justice, joy, love and peace to the world.

Connect Through Events

Journey Through the Jewish Year: Uncovering Holiday Rituals
Wed, Sep 16 07:00 PM - 09:00 PM
This time of year is overflowing with Jewish rituals, but why do we do them and what does it all mean? Join Avital and Rabbi Adam for a discussion on the power of Jewish ritual, practice your challah braiding skills and even explore creating new family rituals. This is the first of a three-part series that we will offer during the year to dig more deeply into the rituals, traditions and customs that shape our Jewish lives.

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Erev Sukkot & Jazz Shabbat
Fri, Sep 25 06:15 PM - 07:15 PM
On this Shabbat evening, we leave the grandeur of the High Holy Days and enter the joy of Sukkot. Join us for a lively Jazz Sukkot/Shabbat service, filled with inspiration and celebration. The service will be followed by a festive and delicious oneg in the Sukkah with the Isaiah Men’s Group. Come celebrate in community, enjoy the sukkah, and rejoice in this season of gratitude. This is also a wonderful evening to share the magic of Temple Isaiah with friends, so bring a guest. All are welcome! Please note that an RSVP is required to attend services in person. Services will also be streamed to our Vimeo channel, website & Facebook page.

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Connect Through Community

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Engage with Our Schools

Discover our preschool and K-12 programs through our curriculum, activities, and dedicated educators.

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Meet The Clergy of Temple Isaiah

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Rabbi Dara

Dara Frimmer, Senior Rabbi

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Rabbi Jaclyn

Jaclyn Cohen, Associate Rabbi

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Cantor Randall

Randall Schloss, Cantor

Rabbi Adam

Adam Allenberg, Director of K-12 Education & Engagement

get to know our team

RABBI DARA FRIMMER

Senior Rabbi

Rabbi Dara Frimmer has served as Senior Rabbi of Temple Isaiah since July 2018, after more than a decade of growing alongside the Isaiah community. She is known for bringing heart, curiosity, and moral clarity to Jewish life—whether in the sanctuary, the classroom, or moments of real-life complexity.

Rabbi Frimmer holds a BA in Feminist Studies and Religious Studies from Stanford University and a Master of Theological Studies from Harvard Divinity School. Before coming to Isaiah, she spent formative years in New York City, where she completed hospital chaplaincy training, taught Introduction to Judaism at the 92nd Street Y, led service-learning trips to Latin America with American Jewish World Service, and served as a rabbinic intern at Congregation Kol Ami in White Plains. She was also selected as a BJ Rabbinic Fellow at Congregation B’nai Jeshurun, where she taught, led services, and helped build Tze’irim, BJ’s community for Jews in their 20s and 30s.

Since joining Temple Isaiah in 2007—first as Assistant Rabbi and now as Senior Rabbi—Rabbi Frimmer has been deeply involved in every aspect of congregational life. Her work is especially rooted in social justice, Israel, religious education, and helping people find meaning, connection, and belonging across all stages of life.

Outside the synagogue, Rabbi Frimmer enjoys spending time with family and friends, reading widely, savoring a strong cup of coffee, and cooking meals meant to be shared. At her core, she believes that Judaism is lived not only through prayer and study, but through relationships—showing up for one another, asking hard questions, and building a community grounded in compassion, courage, and hope.

WRITINGS
SERMONS

Contact info:
Rabbi Dara Frimmer
 

E-mail: [email protected]

RABBI JACLYN COHEN

Associate Rabbi

Rabbi Jaclyn Cohen joined the clergy team of Temple Isaiah in 2018 and today serves as Associate Rabbi. Born and raised in West LA, Rabbi Cohen earned her BA in Religious Studies & Music from UC Davis. She spent two years working as a musician, community builder and educator in several Bay Area synagogues and Jewish organizations before entering Hebrew Union College – Jewish Institute of Religion’s rabbinic program in Los Angeles. During rabbinical school Rabbi Cohen was fortunate to intern at several local congregations including Temple Israel of Hollywood and Kehillat Israel of the Pacific Palisades; additionally, she earned her MA in Jewish Education from HUC-JIR. Following ordination, Rabbi Cohen joined the clergy team of Temple De Hirsch Sinai in Seattle and Bellevue, Washington.
 
Rabbi Cohen currently oversees our Young(ish) Families initiative, serves as clergy liaison for Small Groups and Isaiah Women, teaches, preaches, and officiates lifecycles for all ages & stages. As a musician, artist, and writer, Rabbi Cohen’s background is eclectic, creative, and representative of a unique kind of 21st-century rabbinate. She is a regular contributor to Jewish online parenting hub Kveller, and since 2019 her collection of joyful Purim and Passover parodies have earned hundreds of thousands of online views. Rabbi Cohen is one third of the musical collaboration project Kosi R’vayah (Hebrew for “my cup overflows”) with composer Gabriel Mann and Cantor Tifani Coyot.
 
As of June 2026, Rabbi Cohen is part of the inaugural cohort of The Deborah Fellowship for rabbis through The Amen Center for Civic & Spiritual Leadership. She is a fierce advocate for birth justice, reproductive freedom, Epilepsy awareness and maternal & mental health. Rabbi Cohen is a certified yoga teacher and aspiring electric guitar soloist. She and her family live in Culver City.
 

MY SERMONS

Contact Information:
Rabbi Jaclyn Cohen
[email protected]
310-277-2772 x 60
IG: @rabbijfroco

CANTOR RANDALL SCHLOSS

Cantor

Originally from Vancouver, Canada, Cantor Randall Schloss is proud to join Temple Isaiah. Previously, Cantor Schloss served Temple Israel of New Rochelle, NY and Temple Ohabei Shalom in Brookline, MA. Throughout his cantorate, Cantor Schloss has sought to create an environment of engaging, participatory worship through a rich blend of musical traditions, including his own compositions. He is equally at ease chanting our most sacred and traditional High Holy Day melodies, conducting choirs at a soulful Gospel Shabbat, inspiring children in fun family worship, and leading diverse volunteer and professional musical ensembles in joyous and uplifting worship. 

After a varied career in music as a classical singer both on the opera stage and in concert, as a teacher of voice and music theory, and as a choral conductor and music director, Cantor Schloss began his journey into the world of Jewish music in 2000 as a singer and composer. His compositions combine traditional liturgy and modern poetry with musical elements of eastern European nusach and chazzanut, Israeli and Sephardic folk music, classical and twentieth century Reform repertoire and contemporary pop and jazz. He writes, “I hope that through a unique blend of styles, my music will engage the congregation as more than singers or listeners, but completely as a praying community.” In 2015 he was chosen for Forward’s Soundtrack of Our Spirit as one of the “best new voices in Jewish Music.” His settings of Elohai N’tsor and Y’varech’cha (B’nei Mitzvah Blessing) have been published by Transcontinental Music and he has been commissioned for three Choral pieces by the Usdan Summer Camp for the Arts.

Cantor Schloss received his Ordination and a Masters Degree in Sacred Music from the Debbie Friedman School of Sacred Music at Hebrew Union College-Jewish Institute of Religion in New York. He also holds a Bachelor of Arts Degree in Music from Cornell University and a Master of Music Degree in Vocal Performance from the New England Conservatory of Music. He has served on the Executive Board of the American Conference of Cantors and currently serves on the ACC Endowment Board of Trustees. In his spare time, he has been known to run the Boston and New York Marathons, to enjoy a round of golf and to hone his amateur barista skills. Most of all, Cantor Schloss enjoys sharing his love of Judaism and music with his wife, soprano Leah Schloss, and their two daughters, Maya and Sonya (also sopranos!).

Rabbi Adam Allenberg

Rabbi Adam M. Allenberg, MAJE (he/him) is our new Director of K-12 Education and Engagement at Temple Isaiah in Los Angeles. Before coming to Isaiah, he served the Hebrew Union College (HUC) for 11 years, ending his tenure there as Senior Director of the Office of Recruitment and Admissions. There, he spent his days recruiting future colleagues and helping them gain the skills and network to thrive as Jewish professionals in all areas of Jewish life (like Jewish camping!). He has been blessed to teach and counsel, advise and agitate at over 20 different Jewish summer camps, dozens of college campus Hillels, and local and national Jewish gatherings all across the West and beyond.

Before his professional life at HUC, Rabbi Adam served as the Director of Congregational Learning at Temple Emanu-El in Dallas, Texas and as rabbi and Program Director at Congregation Beth Am in Palo Alto, California. His work in both of these outstanding communities, Rabbi Adam was proud to play a role focused on relationships, community building and lifelong learning. From a campaign to call every member of the synagogue on the same day, to the co-creation of new educational opportunities for K-2 families; from teen-led high holidays to leading group b’nai mitzvah in Israel, Rabbi Adam has relished in building meaningful, rich Jewish experiences for all ages. Rabbi Adam attended the University of Wisconsin and graduated with majors in Philosophy and Modern Hebrew, as well as minors in Judaic Studies and Religious Studies. After graduating he studied at the Hebrew

Union College, where he earned his Masters of Hebrew Letters, a Masters in Jewish Education and his rabbinic ordination. Rabbi Adam recently became certified in Permaculture Design — an ethics-based approach to land and esource management, from sky to soil, from bacterial to human culture – by Oregon State University and the Permaculture Institute of North America. Rabbi Adam, his wife Lauren and their two children, ages 8 and 10, live in Santa Monica. The Allenbergs like to hike in the mountains, spend long days at the beach, sing through their growing family songbook and tend to their garden of perennials, herbs, berries, flowers and baby citrus trees. Together, they are slowly and patiently reclaiming traditional food preparation techniques such as pickling, baking with wild yeasts and brewing kombucha, beer and mead.