Sara Rosner Bronfman is the daughter of the billionaire philanthropist and former Seagram chairman Edgar Bronfman Sr. She is involved in humanitarian endeavors and was, from about 2001 until its 2019 demise, a leading funder and a member of the leadership team for the controversial multi-level marketing company NXIVM, which has been described as a "cult", as was her sister, Clare Bronfman. Wikipedia