Marielle is associate professor at the Grenoble Ecole de Management since October 2020, and the academic director of the DBA USA school at GEM. She lectures in the fields of portfolio management, fixed income and sustainable investing.

Marielle has worked as a researcher in the investment management industry for 25 years. She started her career in the City of London in 1994, and moved to Paris in 1997, joining (HSBC) Sinopia, and in 2011 Amundi, where she headed the fixed-income quant research team.

She carries out research projects in areas such as bond portfolio construction, sustainable investing and liquidity scoring, and publishes her work in international journals. She is the editor-in-chief of the Journal of Asset Management.

She holds an MSc in econometrics from the Erasmus University of Rotterdam, an MSc in operational research from Cambridge University (UK), and a PhD in finance from the University of Aix-Marseille. She has defended her HDR (Habilitation à Diriger des Recherches) in 2022.