UAE national security advisor Sheikh Tahnoun Bin Zayed Al-Nahyan (TBZ) controls a $1trn-plus investment empire that, mixing private and public funds, is in full expansion mode. Although now widely commented on, the structure of Tahnoun’s business empire and the identities of those individuals who work most closely with TBZ often remain opaque, as is the nature of financial links with his powerful Bani Fatima brothers.