diff --git a/_data/signed/matthewcampbell.yaml b/_data/signed/matthewcampbell.yaml
new file mode 100644
index 000000000..168bd56ae
--- /dev/null
+++ b/_data/signed/matthewcampbell.yaml
@@ -0,0 +1,2 @@
+name: Matthew Campbell
+link: https://github.com/mattkanwisher