His interest is in policy-relevant finance topics such as taxes, retirement, public finance, and the functioning of securities markets. Previously he worked for the International Monetary Fund in Washington, DC, and consulted for the Retirement Systems Division of the State of North Carolina and for the Securities and Exchange Commission. Mattia holds a PhD in Finance from Columbia Business School, an MPP degree from Duke�s Sanford School of Public Policy, and an undergraduate BA in Public Administration from Bocconi University in Milan.