Rio is an economist specializing in the study of the economics of natural hazards and disasters.  Her work in Opus focuses on the economic assessment of costs and benefits of projects and on researches pertaining to natural hazards and disasters.  Rio has been engaged in disaster-related work since 2010.

She has 15 years of experience in the provision of technical assistance to government agencies, state universities and colleges, and local government units along development planning, investment programming, and project monitoring and evaluation.  She has taken lead roles in several projects funded by foreign donor countries and multi-lateral development institutions. 

Her current research interest is along economic vulnerability and economic resilience to natural hazard and disasters, using econometric methods and GIS tools.