- The Catalan equation, Algebra, Geometry and Number Theory Seminar, Leiden, 22 June 2015
- An application of Vinogradov's method to class groups, Diamant symposium, Soest, 25 November 2016
- Vinogradov's method for exponential sums and applications, Analytic Number Theory Seminar, Leiden, 12 December 2016
- On the equation x + y = 1 in finitely generated multiplicative groups in positive characteristic, Intercity Number Theory Seminar, Leiden, 10 March 2017
- De laatste stelling van Fermat voor C[t], Bachelorseminarium Algebra, meetkunde en getaltheorie, Leiden, 10 May 2017
- Unit equations in characteristic p, Journées Arithmétiques, Caen, 3 July 2017
- On the 16-rank of Q(-p), Seminar, London, 20 November 2017
- Ternary Goldbach for Artin primes, Diamant symposium, Breukelen, 1 December 2017
- A survey on 2-parts of class groups, Seminar, Bonn, 27 March 2018
- Vinogradov's method and class groups, ELAZ, Bonn, 6 September 2018
- The spin of prime ideals and applications, Seminar, Copenhagen, 8 January 2019
- The spin of prime ideals and applications, Seminar, Paris, 14 January 2019
- De laatste stelling van Fermat voor C[t], Bachelorseminarium Algebra, meetkunde en getaltheorie, Leiden, 13 February 2019
- The generalized Catalan equation in positive characteristic, Diophantine seminar, Amsterdam, 11 April 2019
- Factoring in number rings, NMC, Veldhoven, 24 April 2019
- On Gerth's conjectures, Diamant symposium, Veldhoven, 25 April 2019
- The spin of prime ideals and applications, Intercity Number Theory Seminar, Leiden, 10 May 2019
- Factoring in number rings, This Week's Discoveries, Leiden, 21 May 2019
- Spins, governing fields and negative Pell, Enumerative Arithmetic and the Cohen-Lenstra heuristics, Bonn, 7 June 2019
- On Chowla's conjecture over function fields, Seminar, Cologne, 26 November 2019
- On Chowla's conjecture over function fields, Intercity Number Theory Seminar, Leiden, 7 February 2020
- The negative Pell equation and the 8-rank of the class group, Tel Aviv number theory seminar, Online, 4 June 2020
- Integral points on quadratic equations, Michigan - Arithmetic Geometry Initiative - Columbia, Online, 18 June 2020
- The negative Pell equation, governing fields and beyond, Number Theory Lunch Seminar, Bonn, Online, 16 September 2020
- Arithmetic statistics in the n = p case, Algebra and Number Theory Seminar, Glasgow, Online, 20 January 2021
- Malle's conjecture for nonic Heisenberg extensions, Number Theory Seminar pre-talk, San Diego, Online, 1 April 2021
- Malle's conjecture for nonic Heisenberg extensions, Number Theory Seminar, San Diego, Online, 1 April 2021
- The negative Pell equation and Stevenhagen's conjecture, Fachbeirat, Bonn, Online, 7 July 2021
- The negative Pell equation, Explicit Methods in Number Theory, Oberwolfach, 22 July 2021
- The negative Pell equation and applications, Canadian Mathematical Society Special Session, Online, 5 December 2021
- The negative Pell equation and applications, RTG Seminar, Ann Arbor, 21 February 2022
- Stevenhagen's conjecture, Adopha Seminar, Leiden, 3 March 2022
- The negative Pell equation and applications, American Mathematical Society Special Session, Online, 20 March 2022
- On Stevenhagen's conjecture, Number Theory Seminar, Korean Institute for Advanced Study, Online, 20 April 2022
- The negative Pell equation and applications, Number Theory Seminar, Irvine, Online, 21 April 2022
- The Neukirch--Uchida problem for nilpotent extensions, Algebra, Geometry and Number Theory Seminar, Leiden, 30 May 2022
- The negative Pell equation and applications, Specialisation and Effectiveness in Number Theory, Banff, 30 August 2022
- The negative Pell equation and applications, Harvard Number Theory Seminar, Boston, 21 September 2022
- The negative Pell equation and applications, Around Frobenius distributions and related topics 3, Online, 6 October 2022
- Equidistribution of Frobenius in nilpotent extensions, University of Illinois Urbana-Champaign, Champaign, 18 October 2022
- Directions in arithmetic statistics, University of Bonn, Online, 16 November 2022
- Directions in arithmetic statistics, ETH Zurich, Online, 21 November 2022
- Equidistribution of Frobenius in nilpotent extensions, Arithmetic statistics, Joint Mathematics Meetings, Boston, 5 January 2023
- The negative Pell equation and class groups, EPFL Colloquium, Lausanne, 31 January 2023
- The Neukirch--Uchida problem for nilpotent extensions, Algebraic Geometry/Commutative Algebra Seminar, University of Notre Dame, 22 March 2023
- Equidistribution of Frobenius in nilpotent extensions, Density problems in Arithmetic, Luminy, 5 April 2023
- Equidistribution of Frobenius in nilpotent extensions, American Mathematical Society Special Session, Cincinnati, 15 April 2023
- Counting nilpotent extensions, Number Theory Web Seminar, Online, 4 May 2023
- Counting nilpotent extensions, Arithmetic Statistics, Luminy, 19 May 2023
- The 6-torsion of class groups, Algebra, Geometry and Number Theory Seminar, Leiden, 14 June 2023
- The negative Pell equation, Number Theory Seminar, ETH, Zurich, 22 September 2023
- Statistics of Diophantine equations, ITS Fellows Seminar, Institute for Theoretical Studies, Zurich, 26 September 2023
- Weak approximation on the norm one torus, Algebraic Geometry and Number Theory Seminar, IST Austria, Vienna, 12 October 2023
- Counting nilpotent extensions, Number Theory Seminar, Université Sorbonne Paris Nord, 10 November 2023
- Averages of multiplicative functions over integer sequences, New Directions in Rational Points, Chennai, 7-12 January 2024
- Value sets of binary forms, Bordeaux Number Theory seminar, Université de Bordeaux, 26 January 2024
- The negative Pell equation, LAGA colloquium, Université Sorbonne Paris Nord, 30 January 2024
- Spins, Galois representations and a question of Ramakrishna, Number Theory Seminar, Cornell University, 15 March 2024
- Averages of class numbers, Quebec-Vermont Number Theory Seminar, Montreal, 11 April 2024
- Averages of class numbers, Algebra and Number Theory Seminar, Glasgow, 29 May 2024
- Sums of rational cubes and the 3-Selmer group, Bath Arithmetic Geometry Seminar, Bath, 4 June 2024
- Averages of class numbers, Heilbronn Number Theory Seminar, Bristol, 5 June 2024