diff --git a/_data/signed/hermesdoulos.yaml b/_data/signed/hermesdoulos.yaml
new file mode 100644
index 00000000..5eed804d
--- /dev/null
+++ b/_data/signed/hermesdoulos.yaml
@@ -0,0 +1,2 @@
+name: Ermis Doulos
+link: https://github.com/hermesdoulos