Pablo Jaroslavsky delivers the welcoming remarks at the webinar “Don’t forget! How many details can a fact witness remember?” organized by the ICC YAF on the occasion of the Cross Examination Moot. Then, Marta García Bel (Freshfields Bruckhaus Deringer), Emmanuel Kaufman (Wolf Theiss) and Agustina Álvarez Olaizola (Allen & Overy) discuss about the impact of witness’ statements on arbitral tribunals’ decisions and different techniques to mitigate factors distorting the memory of witnesses.