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Rabbi Gavriel Goldfeder


Gavriel Goldfeder discovered alternadox in a record store in Pennsylvania. Since then he’s been writing, teaching, praying, learning, sharing, and dreaming about a Jewish life that is real, honest, and useful. He is the Senior Jewish Educator at MIT Hillel and the Senior Jewish Educator of his three children. 

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Rabbi Josh Bolton


Rabbi Joshua Bolton is Director and Senior Jewish Educator for the Jewish Renaissance Project at Penn Hillel. A graduate of the Reconstructionist Rabbinical College, "Rabbi Josh" also holds an advanced degree from The MFA for Poets and Writers at the University of Massachusetts Amherst. He pursues the mysterious and banal in the Mt. Airy neighborhood of Philadelphia. 

Recent Projects:

Translation of Dr. Alan Brill's interview with Yishai Mevorach, one of the primary editors of Rav Shagar's emerging collection of work. 

Featured on Rabbi Evan Schultz's Really Interesting Jews podcast, Episode 21. 

Short documentary about Rabbi Josh and his work with JRP at Penn. 

His Sefaria source sheet, "Is One Permitted to Punch a White Supremacist in the Face" -- viewed nearly 15k times. 

"Without the Possibility of Certainty: Five Translations" -- Shagar & Piaseczno in translation. 


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Rabbi Mordechai Rackover


Rabbi R. is the author of the groundbreaking Luach Torat Israel, the first Orthodox liturgical calendar for the diaspora that accounts for the holidays of the state of Israel.

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Rabbi Ariel Burger