Dr. Sandra Trejos is a Costa Rican-born U.S. citizen and a Professor of Economics at Pennsylvania Western University – Clarion. She earned her Bachelor's, Master's, and Ph.D. in Economics from various institutions including the University of Costa Rica and Oklahoma State University. With tenure since 2009, she's been a dedicated member of the university, earning awards for teaching and research. Fluent in Spanish, English, and French, she's also an accomplished advisor, founding clubs like Study Abroad and Model United Nations. In the economics field, she's held leadership roles in organizations like the American Society of Hispanic Economists and the Pennsylvania Economic Association. Dr. Trejos is a prolific researcher and published author, focusing on topics such as economic education, international economics, and economic development. She's also engaged in community service, judging science competitions and contributing to various boards. Her extensive career includes roles at universities abroad and service with NOAA.