diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..a6778e1
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,7 @@
+# This CODEOWNERS file includes a codeowner
+# who serves as a valid point of contact for
+# discussing changes and seeking approval for work
+
+**/     @mo-jmanners
+**/cosp_control     @Petzi1
+**/cosp_github      @Petzi1
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 9061b5b..ac42439 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -4,5 +4,5 @@
 | ----------- | --------- | ----------- | ---- |
 | james-bruten-mo | James Bruten | Met Office | 2025-12-09 |
 | mo-jmanners | James Manners | Met Office | 2025-12-18 |
-| t00sa       | Sam Clarke-Green | Met Office | 20226-03-02 |
-| Pierre-siddall | Pierre Siddall | Met Office | 20226-03-16 |
+| t00sa       | Sam Clarke-Green | Met Office | 2026-03-02 |
+| Pierre-siddall | Pierre Siddall | Met Office | 2026-03-16 |