diff --git a/meta/organization.nix b/meta/organization.nix
index dbf1269..3fe4d67 100644
--- a/meta/organization.nix
+++ b/meta/organization.nix
@@ -10,6 +10,11 @@
       email = "catvayor@dgnum.eu";
     };
 
+    cst1 = {
+      name = "Constantin Gierczak--Galle";
+      email = "cst1@dgnum.eu";
+    };
+
     ecoppens = {
       name = "Elias Coppens";
       email = "ecoppens@dgnum.eu";