diff --git a/image_markuper/dicom/api/views.py b/image_markuper/dicom/api/views.py
index c3f2a79..a8def05 100644
--- a/image_markuper/dicom/api/views.py
+++ b/image_markuper/dicom/api/views.py
@@ -206,7 +206,12 @@ class ListUpdateDicomImageNumberApi(GenericAPIView):
 
 
 class ListCreateProjectApi(generics.ListCreateAPIView):
-    serializer_class = ListProjectSerializer
+    def get_serializer_class(self):
+        if self.request.user.is_staff:
+            s = ListProjectSerializer
+            s.Meta.fields.append("user_username")
+            return s
+        return ListProjectSerializer
 
     def get_queryset(self):
         if self.request.user.is_staff:
diff --git a/image_markuper/dicom/models/base.py b/image_markuper/dicom/models/base.py
index 1528854..fcea371 100644
--- a/image_markuper/dicom/models/base.py
+++ b/image_markuper/dicom/models/base.py
@@ -62,6 +62,10 @@ class Project(models.Model):
     def __str__(self):
         return f"{self.user.username}'s project"
 
+    @property
+    def user_username(self):
+        return self.user.username
+
 
 class Dicom(models.Model):
     slug = models.SlugField()