She earned a M.S. in the Information Systems area from the Federal University of Rio de Janeiro(UFRJ, 1983), and a Ph.D. in the Software Engineering area from the University of S�o Paulo (USP, 1990), both in Brazil. From 1993 to 1995, she was a Visiting Researcher at the Center for Systems & Software Engineering of the University of Colorado at Colorado Springs (CSSE/UCCS), United States. In 1997, she was a Visiting Researcher at the Institute for Experimental Software Engineering (IESE � FhG), in Kaiserslautern, Germany. Her main research interests are: software engineering, including requirements engineering and software quality; information systems, including critical success factors in software systems; and system and software applications, including real-time systems and virtual reality environments.