diff --git a/CITATION.cff b/CITATION.cff
index d362247..a2113c1 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -20,6 +20,10 @@ authors:
     family-names: Dramsch
     affiliation: ECMWF
     orcid: 'https://orcid.org/0000-0001-8273-905X'
+  - given-names: Harrison
+    family-names: Cook
+    affiliation: ECMWF
+    orcid: 'https://orcid.org/0009-0009-3207-4876'
   - given-names: Matthew
     family-names: Chantry
     affiliation: ECMWF