Sebastian Weibels is a postdoctoral researcher at the Lake Lucerne Institute (LLUI) in Switzerland. Previously, he was a research assistant at the Institute for Econometrics and Statistics and the Department of Banking at the University of Cologne. His research lies at the intersection of machine learning and finance, with a particular focus on portfolio optimization, asset management, asset pricing, analyst forecasts, earnings expectations, and behavioral finance. He is passionate about developing data-driven approaches that improve financial decision-making, uncover information frictions, and deepen our understanding of investor behavior.