diff --git a/resources/users.csv b/resources/users.csv
index a189d43..155f316 100644
--- a/resources/users.csv
+++ b/resources/users.csv
@@ -275,3 +275,4 @@ account,name,keywords
 @hannaSH@mastodon.social,Hanna Shmagun,open_science open_access scholarly_communication STI_policy research_assessment
 @ElenLeFoll@fediscience.org,Elen Le Foll,reproducibility humanities ReproducibiliTea HumaniTeas
 @eschares@scholar.social,Eric Schares,open_science open_access metadata libraries open_data bibliometrics
+@tilomat@mstdn.science, Tilo Mathes, open_science metadata research_data_management