In a series of posts on X and Instagram, Columbia Business School Assistant Professor Shai Davidai claimed to be “banned” from Columbia’s campuses, alleging that it was a retaliatory act by Columbia Chief Operating Officer Cas Holloway.

Daniel Zarrilli, the NYC Mayor Office’s former Chief Climate Policy Advisor, has joined Columbia as the first Chief Climate and Sustainability Officer to help push the University toward its sustainability efforts outlined in Plan 2030.

Columbia Provost Angela V Olinto and COO Cas Holloway have established teaching guidelines for the rest of the Spring 2024 Semester as a result of the events following the Gaza Solidarity Encampment and the related on- and off-campus protests.