diff --git a/java-champions.yml b/java-champions.yml
index ac914c28..ae1048f7 100644
--- a/java-champions.yml
+++ b/java-champions.yml
@@ -3147,6 +3147,8 @@ members:
       twitter: https://twitter.com/karianna
       mastodon: https://mastodon.social/@martijnverburg
       bluesky: https://bsky.app/profile/karianna.bsky.social
+      linkedin: https://www.linkedin.com/in/martijnverburg
+      sessionize: https://sessionize.com/martijnverburg
     avatar: img/avatars/karianna.png
   - name: Brian Vermeer
     year: 2021