Harvard Antisemitism Task Force Co-Chair Resigns Amid Controversy The co-chair of Harvard University's antisemitism task force, Raffaella Sadun, stepped down, becoming the second high-profile resignation in the university's efforts to address Jewish students' growing discomfort since the Hamas attack on Oct. 7. Sadun's departure comes after the resignation of Rabbi David Wolpe from a previous advisory committee. The task force has faced criticism, with Sadun's replacement being named as law professor Jared Ellias. The university acknowledged the need for more effort to heal the campus's divisions.