Efrat is a Ph.D. candidate in Communications in Columbia and a Teaching Fellow in SIPA, instructing students in the Capstone workshop Mapping the Conversation: From Big Data to the Real Voices of Trump Supporters and Opposers.

Efrat's research focuses on the relationship between news organizations and their audiences in a digital age, media polarization, and freedom of expression in digital spaces. She collaborated on research projects with the Tow Center for Digital Journalism, studying perceptions of audiences in NYC newsrooms and the integration of digital platforms into news production.

Before coming to Columbia, Efrat spent eight years as editor and writer in the Israeli daily newspaper Haaretz, covering business and digital culture and taking part in the newspaper's antitrust campaign. She holds an M.A. in Culture Studies from the Hebrew University of Jerusalem and a B.A. in Social Sciences and Humanities (with distinction) from the Open University of Israel.