A living collaboration of scholarship and technology.

Open Masorah is led by a collaboration of leading scholars and researchers, bringing the full depth of the Masorah into a form that supports rigorous study, systematic comparison, and analysis at scale.

Project Team

Yosef Ginsberg

Co-Founder

Researcher focused on the Masorah and manuscript traditions. Contributes to the development of editorial standards and the evaluation of variant readings.

Ari Finkelstein

Co-Founder

Leads institutional partnerships and the public-conversation series, connecting the project to scholars, foundations, and the wider public.

Ben Lamm

Co-Founder

Builds the technical and organizational infrastructure behind the project — the open critical-edition platform, the four-tier OCR measuring stick, and the public-conversation series.

Open Masorah Research Council

Dr. David Marcus

Professor Emeritus of Bible and Masorah, Jewish Theological Seminary

PhD Columbia; MA Cambridge; BA Trinity College Dublin. Editor of Ezra and Nehemiah for the Biblia Hebraica Quinta critical edition; author of Scribal Wit: The Aramaic Mnemonics of the Leningrad Codex (2014) and pioneering studies of Masoretic notation, biblical Aramaic, and scribal practice.

Rabbi Dr. David Moster

Director of the Biblical Hebrew Program, Jewish Theological Seminary

Director of the Institute of Biblical Culture; creator of the YouTube channel @BiblicalCulture. Author of Etrog: How a Chinese Fruit Became a Jewish Symbol, the Biblical Hebrew Grammar Card, and the Biblical Hebrew Vocabulary Card.

Dr. Marcus Mordecai Schwartz

Henry R. and Miriam Ripps Schnitzer Librarian for Special Collections, JTS Library

Oversees the world's largest collection of Hebrew manuscripts. PhD from the Jewish Theological Seminary; member of the JTS Talmud faculty for fifteen years. Author of Rewriting the Talmud (2019).

Dr. Drew Longacre

Research Fellow in Hebrew Bible, University of Münster

PhD University of Birmingham; MA The Master's Seminary. Postdoctoral researcher on the ERC project The Hands that Wrote the Bible, applying digital palaeography and radiocarbon dating to the Dead Sea Scrolls. A specialist in the palaeography and textual history of the Hebrew and Greek scriptures; author of the forthcoming Scribes and the Psalter (Mohr Siebeck).

Dr. Nehemia Gordon

Executive Director, Institute for Hebrew Bible Manuscript Research

PhD Bar-Ilan University; MA Hebrew University of Jerusalem; BA Hebrew University of Jerusalem. A translator on the Dead Sea Scrolls publication team; his doctoral work treats the writing, erasure, and correction of the Tetragrammaton in medieval Hebrew Bible manuscripts. He has examined hundreds of Bible manuscripts in collections worldwide, including the Russian National Library, the Vatican, Cambridge, and Oxford.

Dr. Vincent Beiler

Leverhulme Fellow, Genizah Research Unit, Cambridge University Library

PhD University of Cambridge, where he constructed a stemma of medieval Hebrew Bible manuscripts — work awarded the 2024 Oliver Cromwell Prize for Hebrew Studies. Research Associate at Pembroke College, Cambridge. His research reconstructs the Hebrew Bibles used by the medieval Jewish communities of Cairo and Jerusalem, pairing palaeographical and codicological analysis with custom tools for Hebrew script recognition.