In the early 1990s, Sater (who has since changed the spelling of his name to Satter) was charged with aggravated assault after he stabbed a fellow broker in the face with the broken stem of a wine glass. Soon after, he founded, ... Nowadays , Sater is the behind-the-scenes owner of the Bayrock Group, a real estate development company. Among his 11 partners in this venture are a number of investment fund managers who are tied to Michael Milken. Most notable of Sater's ...