New on the list. Youngest brother of Mohamed Mansour, 49-year-old Yasseen heads Palm Hills Developments, Egypt's second largest real estate developer. Builds luxury housing and resorts. Impact of Egypt's revolution still unclear. Cousin who was Mubarak's housing minister before ouster in cabinet shake-up, is a shareholder in Palm Hills and other Mansour holdings. He now faces allegations of corruption. Youssef is graduate of George Washington University.