Fanny KasselFanny Kassel is a French mathematician, specializing in the theory of Lie groups.Education and careerKassel entered the École normale supérieure in 2003 and received her PhD under the direction of Yves Benoist at the University of Paris-Sud in 2009. Her thesis was on "Compact quotients of real or p-adic homogeneous spaces". She then entered the CNRS and worked at the Paul-Painlevé Laboratory of the Lille [University of Science and Technology|University of Lille I] until 2016, when she joined the Institut [des Hautes Études Scientifiques|IHÉS] as detached CNRS researcher.Honors and awardsIn 2015, she was awarded the CNRS Bronze Medal and an ERC starting grant the following year. In 2018, she was an invited speaker at the International Congress of Mathematicians at Rio [de Janeiro]; her lecture was on "Geometric structures and representations of discrete groups". She was named MSRI Chern Professor for Fall 2020. In 2024, she was the recipient of the mathematics medal of the French Academy of Sciences.