Dr. Villanueva has extensive experience providing quantitative and economic analysis in securities litigation and financial disputes. As Director of Research and Senior Quantitative Analyst at Crowninshield Financial Research, he conducted statistical and econometric analyses for securities and capital markets matters, including event studies, regression analysis, simulations, scenario testing, and damages-related assessments. His work also supported expert reports, depositions, and litigation-related research.

Previously, he served as Vice President and Senior Quantitative Research Analyst at State Street Global Advisors' Advanced Research Center. There, he led and contributed to research initiatives across emerging market and G10 currencies, sovereign bonds, and global tactical asset allocation strategies. His work included model development, forecasting, backtesting, portfolio construction, and performance enhancement, with a particular focus on improving risk-adjusted investment outcomes.

In addition to his industry experience, Dr. Villanueva has held academic appointments at Boston University, Northeastern University, Suffolk University, Brandeis University, and the University of Wyoming, teaching finance, investments, econometrics, and economics at both graduate and undergraduate levels. His published research covers securities litigation event studies, stock price behavior, foreign exchange markets, cointegration, market anomalies, and empirical asset pricing.

He holds a Ph.D. in Economics from the Ohio State University, a Master in Economic Sciences from the Pontifical Catholic University of Chile, and a BA and Licenciado in Economics from the Pontifical Catholic University of Peru. Dr. Villanueva has also served as a referee for the National Science Foundation and several leading finance and economics journals.