diff --git a/_data/signatories.yaml b/_data/signatories.yaml
index 4d86bfe..1cbfac6 100644
--- a/_data/signatories.yaml
+++ b/_data/signatories.yaml
@@ -825,3 +825,28 @@
   affiliation: Emeritus Professor, University of Pisa, Italy
 - name: Arne Symons,
   affiliation: Researcher, KU Leuven, Belgium
+- name: Tadej Tuma
+  affiliation: Professor, University of Ljubljana, Slovenia
+- name: Tomislav Matić
+  affiliation: Professor, University of Osijek, Croatia
+  map: "[45.5546,18.6945]"
+- name: Mihai Lazarescu
+  affiliation: Politecnico di Torino, Torino, Italy
+- name: René Mayrhofer
+  affiliation: Professor, Johannes Kepler University Linz, Austria
+- name: Paulo Pedreiras
+  affiliation: Assistant Professor, Universidade de Aveiro, Portugal
+  map: "[40.6410,-8.6545]"
+- name: Alexander Kloes
+  affiliation: Professor, Technische Hochschule Mittelhessen - University of Applied Sciences, Germany
+  map: "[50.5860,8.6733]"
+- name: Stefano Grivet-Talocia
+  affiliation: Professor, Politecnico di Torino, Italy
+- name: Giulia Acconcia
+  affiliation: Senior Researcher, Politecnico di Milano, Italy
+- name: Rodrigo Picos
+  affiliation: Professor, Universitat de les Illes Balears, Spain
+- name: Domenico Lembo
+  affiliation: Professor, Sapienza University of Rome, Italy
+- name: Leonardo Lizzi
+  affiliation: Associate Professor, University of Trento, Italy