- Convolution and square in abelian groups (Tokyo visio, 2022), Video and pdf.
- Are p-adic Lie groups useful beyond Number Theory? (NUS visio, 2021), pdf.
- Harmonic functions on the Heisenberg group (8ECM visio, 2021), Video and pdf.
- Harish-Chandra tempered representations and homogeneous spaces (TMC DLS 2020) Video .
- Recurrence on affine grassmannians (HIM Bonn, 2020), pdf.
- 60th Birthday talk (Cetraro 2019) Video or Video 1Go.
- Arithmeticity of discrete subgroups (A short introduction) Video, (Tokyo 2019) Video.
- Summer Schools (IHES Paris 2019) V1, V2, V3, V4, (Fields Toronto 2018) V1, V2, V3, V4.
- Dense subgroups of simple Lie groups (CIRM Marseille 2017) Video.
- Harmonic quasiisometric maps (UMD Washington 2016) Video.
- Regularity of stationary measures (ND Notre Dame 2015) Video.
- Conformal dynamics (MSRI Berkeley 2015) Video1, Video2, Video3.
- Semigroups in semisimple groups (MSRI Berkeley 2015) Video1, Video2.
- Recurrence on the space of lattices (ICM Seoul 2014) Video and pdf1, pdf2.
- Discrete subgroups of SL(3,R) (Tours + Daejeon 2014) Video1, Video2.
- Spectral gap for simple groups (Newton Cambridge 2014) Video.
- Random walk on p-adic flag varieties (IHP Paris 2014 and Newton Cambridge 2014) Video1, Video2 and pdf.
- On divisible convex sets (GEAR Urbana-Champaign 2012) Video1, Video2, Video3 and pdf1, pdf2, pdf3, pdf4.
- Random walk on homogeneous spaces (Takagi Kyoto 2012) Video.
- Stationary measures on finite volume homogeneous spaces (Clay Harvard 2011) Video.
- Invariant subsets on homogeneous spaces (MSRI Berkeley 2011) Video.
- Dynamique des groupes linéaires (Louis Antoine Rennes 2010) Video1, Video2, Video3.
- Invariant subsets and stationary measures on homogeneous spaces (Oberwolfach, 2009), pdf.
- S-integral points on symmetric varieties (Zaragoza, 2007), pdf.
- Divisible convex sets (Ostend, 2005), pdf.