About BimBam

BimBam sparks connections to Judaism through digital storytelling.

Esther D. Kustanowitz


Esther D. Kustanowitz is a Los Angeles-based writer and consultant specializing in social media, pop culture, and Jewish community conversation. In August 2015, Esther became Editorial Director at GrokNation.com, a blog and web community founded by actress, neuroscientist and mom Mayim Bialik. Esther is also Contributing Writer at the Jewish Journal of Greater Los Angeles, where she writes on topics ranging from comedy to grief, from women in Jewish leadership to social media culture. Esther is frequently sought-out as a source on social media engagement and culture, and is known as one of the Jewish nonprofit world’s social influencers. Most recently, she was named to JTA’s list of influencers on “Jewish Twitter.” Esther has also consulted for dozens of organizations and institutions in New York, Los Angeles and Israel, including The Jewish Federation of Greater Los Angeles, the ROI Community, IKAR, the American Jewish University, Yeshiva University, Slingshot, Limmud, UpStart Bay Area and the Jewish Federations of North America. She writes for publications like Haaretz, the Forward, and eJewishPhilanthropy, blogs at MyUrbanKvetch.com, and advises individuals and nonprofit organizations on the culture and effective use of social media. Esther is also known for helping people to create and cultivate relationships and networks, particularly collaborations between innovative initiatives and community organizations. She has authored one book, The Hidden Children of the Holocaust, and contributed to many others.​ She is working on a book about grief and life after loss called Nothing Helps (But This Might Help). She served as founding senior editor for PresenTense Magazine from 2006-2008 and wrote “First Person Singular,” a biweekly singles column for the New York Jewish Week, from 2004-2008. Esther has taken numerous classes in sketch-comedy writing and improv in New York and Los Angeles, and has also served as karaoke hostess/emcee for Jewish organizational talent shows and karaoke events.


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