He completed his PhD in Finance at Maastricht University. In his research, Aleksandar focuses on institutional investors, in particular pension funds and the money management industry, investigating the asset allocation and performance of these investors in public and private markets. His research ideas and findings have been presented at academic and industry conferences, and have been covered in popular financial media, such as the Economist and Financial Times. Aleksandar spent the 2012 spring semester at the International Center for Finance, Yale School of Management. In 2013, he visited the University of Notre Dame, Mendoza College of Business. At Erasmus University, Aleksandar teaches master courses on risk management and behavioral finance, and bachelor course on investments.