diff --git a/greg/api/serializers/sponsor.py b/greg/api/serializers/sponsor.py
index 71f3655c9115346a9cf7be5d280f5496a0543d6b..a2c503442a925080364554d4980c8cf1d9774578 100644
--- a/greg/api/serializers/sponsor.py
+++ b/greg/api/serializers/sponsor.py
@@ -1,9 +1,12 @@
 from rest_framework import serializers
 
+from greg.api.serializers.organizational_unit import OrganizationalUnitSerializer
 from greg.models import Sponsor
 
 
 class SponsorSerializer(serializers.ModelSerializer):
+    units = OrganizationalUnitSerializer(many=True, read_only=True)
+
     class Meta:
         model = Sponsor
-        fields = ["id", "feide_id", "first_name", "last_name"]
+        fields = ["id", "feide_id", "first_name", "last_name", "units"]