2020 | April 27-30, Number theory days in Regensburg |

| January 8 - February 7, INI Cambridge |

2019 | December 20, Arithmetic Geometry Seminar at AMU, Poznan |

| December 9-13, University of Utrecht |

| November 11-15, p-adic cohomology and arithmetic geometry, Tohoku University |

| July 15 - 19, school Arithmetic of Connections, Monte Verità |

| May 13 - 17, conference Transient Transcendence in Transylvania, Brasov |

| January 20 - May 24, MSRI Berkeley |

2018 | September 2 - 8, Lukecin, school `Arithmetic of Differential Equations' |

| September 1 - December 1, Warsaw, program `Varieties: Arithmetic and Transformations` |

| June 8 - June 15, Ecole de Physique des Houches, talk 'Motivic gamma functions' [notes] |

| May 28 - June 1, CIRM - Lumini, Algebra, Arithmetic and Combinatorics of Differential and Difference Equations, talk 'Gamma functions, monodromy and Apéry constants' [notes] [video] |

| March 16, Dutch InterCity Seminar in Utrecht, talk 'Dwork crystals and related congruences' |

| January 3 - April 20, HIM Bonn, Periods in Number Theory, Algebraic Geometry and Physics, talk 'What is... a motivic gamma function'[notes] |

2017 |
October 1-6, BIRS, p-adic cohomology and arithmetic applications [video] |

| July 1 - September 30, IHES |

| June 13-15, Universite Lyon 1 and ENS Lyon, talks 'p-adic unit-root formulas and Dwork cohomology' |

| January 8-28, Melbourne (Australia), program ` Hypergeometric motives and Calabi--Yau differential equations` |

2016 |
June 28 - July 1, Porquerolles (France), workshop on Automata, Algebraicity and G-functions [slides] |

| June 20-25, Herstmonceux Castle (East Sussex, UK), Calabi--Yau varieties: arithmetic, geometry and physics |

| June 1, UAM Poznan, Algebra, geometry and arithmetic seminar [slides] |

| May 23-28, IMJ-PRG Paris, Arithmetic L-functions and differential geometric methods (Regulators IV) |

| May 12-14, HU Berlin, Moduli and automorphic forms, talk 'Higher Hasse--Witt matrices' |

| April 20, University of Gdansk, Geometry Seminar, talk 'p-adic properties of periods' |