diff --git a/data/personen/mark-overmeer.json b/data/personen/mark-overmeer.json
index e5c03eb..57b1b4a 100644
--- a/data/personen/mark-overmeer.json
+++ b/data/personen/mark-overmeer.json
@@ -8,10 +8,10 @@
   "profile_page": "/evenementen/sprekers/mark-overmeer/",
   "thumbnail": "/afbeeldingen/personen/mark-overmeer-200x200.jpg",
   "social": {
-    "github": "",
+    "github": "markov2",
     "twitter": "",
     "instagram": "",
-    "linkedin": "",
+    "linkedin": "https://www.linkedin.com/in/markovermeer/",
     "mastodon": "",
     "mastodon_url": ""
   }