diff --git a/_data/signed/alkismavridis b/_data/signed/alkismavridis
new file mode 100644
index 00000000..c47f9ff6
--- /dev/null
+++ b/_data/signed/alkismavridis
@@ -0,0 +1,2 @@
+name: Alkiviadis Mavridis
+link: https://github.com/alkismavridis