diff --git a/.github/actions/notify_failure/action.yml b/.github/actions/notify_failure/action.yml
index aec684b99..0fd9a6872 100644
--- a/.github/actions/notify_failure/action.yml
+++ b/.github/actions/notify_failure/action.yml
@@ -88,7 +88,14 @@ runs:
         if [[ -n "${{ inputs.refStream }}" ]]; then
           yq -iP '.attachments[0].content.body[0].columns[1].items[2].facts += [ { "title": "RefStream", "value": "${{ inputs.refStream }}" } ]' teams_payload.json
         fi
-        yq -iP '.attachments[0].content.body[0].columns[1].items[2].facts += [ { "title": "Assignee", "value": "${{ steps.pick-assignee.outputs.assignee }}" } ]' teams_payload.json
+        text_value="<at>{{ steps.pick-assignee.outputs.assignee }}</at>"
+        entities=$(jq -c '.attachments[0].content.msteams.entities[]' teams_payload.json)
+        # need to filter entities to only have entry of mentioned person
+        filtered_entity=$(echo $entities | jq -r --arg text_value "$text_value" 'select(.text == $text_value)')
+        yq -iP '.attachments[0].content.msteams.entities = [ '"$filtered_entity"' ]' teams_payload.json
+
+
+        yq -iP '.attachments[0].content.body[0].columns[1].items[2].facts += [ { "title": "Assignee", "value": "<at>${{ steps.pick-assignee.outputs.assignee }}</at>" } ]' teams_payload.json
         yq -iP '.attachments[0].content.actions[0].url = "${{ steps.create-project-card.outputs.jobURL }}"' teams_payload.json
         yq -iP '.attachments[0].content.actions[1].url = "${{ steps.create-project-card.outputs.issueURL }}"' teams_payload.json
         yq -iP ".attachments[0].content.actions[2].url = \"${{ steps.create-project-card.outputs.opensearchURL }}\"" teams_payload.json
diff --git a/.github/teams_payload_template.json b/.github/teams_payload_template.json
index ed808c611..5f9c36b24 100644
--- a/.github/teams_payload_template.json
+++ b/.github/teams_payload_template.json
@@ -9,7 +9,57 @@
                 "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
                 "version": "1.2",
                 "msteams": {
-                    "width": "Full"
+                    "width": "Full",
+                    "entities": [
+                        {
+                            "type": "mention",
+                            "text": "<at>elchead</at>",
+                            "mentioned": {
+                                "id": "3931943b-8d4b-4300-ac7e-bbb06c4da27f",
+                                "name": "Adrian Stobbe"
+                            }
+                        },
+                        {
+                            "type": "mention",
+                            "text": "<at>3u13r</at>",
+                            "mentioned": {
+                                "id": "26869b29-b0d6-48f8-a9ed-7a6374410a53",
+                                "name": "Leonard Cohnen"
+                            }
+                        },
+                        {
+                            "type": "mention",
+                            "text": "<at>daniel-weisse</at>",
+                            "mentioned": {
+                                "id": "759f3380-526e-4776-a620-cc713dce6177",
+                                "name": "Daniel Weisse"
+                            }
+                        },
+                        {
+                            "type": "mention",
+                            "text": "<at>katexochen</at>",
+                            "mentioned": {
+                                "id": "fcb7b554-33bb-47f7-8f0e-41b66aab4556",
+                                "name": "Paul Meyer"
+                            }
+                        },
+                        {
+                            "type": "mention",
+                            "text": "<at>derpsteb</at>",
+                            "mentioned": {
+                                "id": "a9a34611-9a38-4c00-a8a2-f87d94c2bf7d",
+                                "name": "Otto Bittner"
+                            }
+                        },
+                        {
+                            "type": "mention",
+                            "text": "<at>malt3</at>",
+                            "mentioned": {
+                                "id": "3012fe21-cff7-499d-88cf-48cf12f2e90c",
+                                "name": "Malte Poll"
+                            }
+                        }
+                    ]
                 },
                 "body": [
                     {