diff --git a/m/common/base/users.nix b/m/common/base/users.nix
index 6dbde468..f65616c1 100644
--- a/m/common/base/users.nix
+++ b/m/common/base/users.nix
@@ -207,6 +207,19 @@
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOKZKot/Y3F5Wq9pQIXlCbyvQuVVeWMCsAC96Nd+LTcG erwin@Oreo"
         ];
       };
+
+      ssanzmar = {
+        uid = 9657;
+        isNormalUser = true;
+        home = "/home/Computational/ssanzmar";
+        description = "Sergio Sanz Martínez";
+        group = "Computational";
+        hosts = [ "apex" "fox" ];
+        hashedPassword = "$6$HUjNDJeJMmNQ6M64$laXSOZcXg6o4v2r8Jm8Xj9kmqw7veCY32po3TVDPRR4WlyxvOeqwoKr4NjlUlPPpKN55Oot3ZYHi.9iNXsH5E1";
+        openssh.authorizedKeys.keys = [
+          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIELrsRRHXryrdA2ZBx5XmdGxL4DC5bmJydhBeTWQ0SQ sergio.sanz.martinez@estudiantat.upc.edu"
+        ];
+      };
     };
 
     groups = {