diff --git a/_data/signed/plesiochronous.yaml b/_data/signed/plesiochronous.yaml
new file mode 100644
index 000000000..d5ee0f087
--- /dev/null
+++ b/_data/signed/plesiochronous.yaml
@@ -0,0 +1,2 @@
+name: Vít Schovánek
+link: mailto:plesio@plesiochronous.online