Staff and Teachers


Photo of Jen and childrenJen Kiok
Executive Director

Jen Kiok is a lifelong activist with a deep commitment to justice. For the past 15 years she has worked as a community-based educator, using education as a tool for social change. Jen identifies as a secular Jew and a spiritual Jew who feels a deep sense of connection with her ancestors. She believes that we have a collective responsibility to work in solidarity with people whose identity mirrors the identity of our ancestors and envisions a Workmen's Circle community in which we work hard to take care of each other and the world. Jen loves spending time in nature with her husband, Seth, and their children, Rose and Jonah. She uses she/her/hers pronouns.

Reach Jen at 617-566-6281 or

Sandy Martin

Office Manager 

Sandy has worked for, and volunteered with, youth organizations and community coalitions in the Boston area for more than 30 years. She was the coordinator of the South End/Lower Roxbury Youth Workers' Alliance for more than ten years- an organization which became a model for other neighborhoods across the city. 

Sandy's parents both grew up in Jewish Roxbury, and she is happy to be working with Boston's Jewish social justice community. She is also very happy spending time with her 1-year old granddaughter. Sandy uses she/her/hers pronouns.

Reach Sandy at 617-566-6281 or by email at

Michelle Weiser

Deputy Director

Michelle is a sephardi queer Jewish organizer. She received a B.A. in Public Relations from Boston University, where she served on the board of the Center for Gender, Sexuality, and Activism and worked on the successful campaign to open a rape crisis center on campus. Michelle is a proud alum of the JOIN for Justice Fellowship program, where she worked side-by-side with front-line communities impacted by environmental threats. Prior to that, Michelle worked on local, state, and national communications strategies to support impact litigation at the LGBTQ law firm GLAD. Michelle lives in a cooperative home in Jamaica Plain and loves watercolor, adventures, and ice coffee. Michelle uses she/her/hers pronouns.

Reach Michelle at 617-566-6281 or by email at

Meira Soloff

Education Director

Meira has a B.A. in Anthropology and a minor in Near Eastern and Judaics studies from Brandeis University and a Masters in Teaching Early Childhood Education from The Eliot Pearson Department of Child Study and Human Development at Tufts University. She has worked as a teacher in the Boston Public schools and in a variety of out of school settings. Prior to that she worked as an advocate for equitable urban development and displacement prevention in Boston and the surrounding areas. She is also an alumnus of the JOIN class of 2010. During her free time, Meira loves singing circles, biking, and reading.


Reach Meira at 617-566-6281 or by email at


Maddy Popkin
Cultural Worker & Member Organizer

Maddy is a queer Jewish organizer, artist and cultural worker and an aspiring clown and Yiddishist. They grew up in New Jersey and Tokyo, Japan--where they learned how nourishing a vibrant and multicultural Jewish community could be. After organizing with the queer and trans community--and studying-- at Barnard College, they moved to Boston to train with JOIN and work with The Share Union--where they learned from an incredible team of feminist labor organizers about the value of inter-generational and relational power building. Maddy started working with the BWC as a member leader of GRAGGER! and has continued to grow as a Jewish cultural worker and educator with the BWC ever since! 

Reach Maddy at 617-566-6281 or by email at


A Besere Velt Yiddish Chorus
Derek David, Director

Derek David (b.1985) is a composer, conductor, and music educator based in Boston, Massachusetts. As a composer, his dramatic and vibrant chamber music has been performed in both Europe and the United States and has received great recognition from audiences and critics alike.  Derek's String Quartet (2011) has been met with international praise and repeated performances throughout the United States. It was described by Sabino Pena of France's as "a true musical jewel of the 21st Century." The quartet was awarded both the EAMA Nadia Boulanger Institute Prize and the Morton Gould ASCAP Award in 2011, as well as first place in the American Prize in 2015. Additionally, he is the current recipient of the 2018 SFCM Hoefer Prize for his body of work from over the past 10 years. As a conductor, Derek was the conductor of the Full Circle Opera Project for their 2003-2004 season and conducted the finale to Puccini's Turandot in Los Angeles Walt Disney Concert Hall. As a choir conductor, he conducted the men's and women's choirs at the Walden School from 2015-2017.

Dr. David holds a DMA from the New England Conservatory of Music and is currently a teaching fellow at Harvard University, where he is a five-time recipient of the Harvard University Distinction in Teaching Award. Outside of composition and conducting, his musical areas of interest extend to medieval theory and musicology, the Beatles, and Jewish Music.

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