David Horowitz succeeded founder Isi and Daniel Horowitz as Managing Directors of IDH in 2007, although have both been involved in the business for over ten years. Together, they have led the trans- formation of IDH Diamonds from a specialist rough trading business to a diverse and dynamic global diamond company. Davidís main focus is managing the operation of the rough diamond business.His strong analytical background and sorting expertise have enabled IDH to improve the efficiency and performance of their core processes. Under Davidís leadership, IDH has ambitious plans to grow the scale of its rough business. He has been responsible for ex- tending the business into new areas. For example, The established IDHís Mumbai and Surat operations; the first Antwerp diamantaire to branch into India.