diff --git a/_data/signed/StiffSinger.yaml b/_data/signed/StiffSinger.yaml
new file mode 100644
index 000000000..b7aad2e37
--- /dev/null
+++ b/_data/signed/StiffSinger.yaml
@@ -0,0 +1,2 @@
+name: Yiyu Zhou (Andrews Osborne Academy)
+link: https://github.com/StiffSinger