The Ackermann Award recognizes outstanding dissertations for Logic in Computer Science at ACSL conference. This year, the prize has been awarded to two thesis supervised at IRIF: the laureates are Gaëtan Douéneau-Tabot supervised by Olivier Carton and Emmanuel Filiot at Université Paris-Cité (France) and Aliaume Lopez supervised by Jean Goubault-Larrecq and Sylvain Schmitz at ENS Paris-Saclay and Université Paris-Cité (France), respectively. They will receive their prize to CSL 2025, in Amsterdam, which will take place from 10 to 14 February 2025.