Inversiones y Representaciones Sociedad Anónima is a corporation with Argentinian capital. It is 64% controlled by Cresud S.A.C.I.F. y A. and is engaged in the real estate business. IRSA owns shopping centers and is responsible for overseeing several of the biggest real estate projects in the country. The current president of the company, in his capacity as well as through Cresud S.A., is Eduardo Elsztain. Wikipedia