K.J. Martijn Cremers is Associate Professor of Finance at Yale School of Management. He has been at Yale since 2002, after obtaining his PhD in finance from the Stern School of Business at New York University. Hailing from the Netherlands, his undergraduate degree in Econometrics (cum laude) is from the VU University Amsterdam.
Professor Cremers' research focuses on empirical issues in investments and corporate governance.
His academic work has been published in top academic journals such as the Journal of Finance, the Review of Financial Studies and the Journal of Financial Economics. His research has also been covered in newspapers like the Wall Street Journal, the Financial Times and numerous others.
He is an Associate Editor of the Review of Financial Studies and at the Review of Finance.
At Yale, Martijn teaches courses on fixed income markets, corporate governance and leadership to MBA students.
His paper “How active is your fund manager? A new measure that predicts performance” (published in 2009 in the Review of Financial Studies) introduced a measure of active management based on a comparison of the holdings of a fund with those of its benchmark. The ‘Active Share’ measure has become widely used in the financial industry and was incorporated in e.g. Morningstar Direct and FactSet.