Rosa is a chartered accountant, with a Masters Degree in Costs from the Lisandro Alvarado University. Has over 10 years of experience in accountancy in companies such as C.A. Cervecera Nacional (Brahma), Industria Azucarera Santa Clara and Yacambú, Nacional Experimental de los Llanos Ezequiel Zamora and Lisandro Alvarado Universities and as an independent accountant, working on the implantation of industrial and commercial costs, as well as a consultant in accountancy, financial and costs matters.