diff --git a/app/permission_matrix.py b/app/permission_matrix.py
new file mode 100644
index 000000000..76a781aba
--- /dev/null
+++ b/app/permission_matrix.py
@@ -0,0 +1,29 @@
+import json
+
+class PermissionMatrix:
+    def __init__(self):
+        self.permissions = {
+            'admin': ['create_user', 'delete_user', 'edit_user'],
+            'moderator': ['edit_user'],
+            'user': ['view_profile']
+        }
+
+    def has_permission(self, user_role, permission):
+        return permission in self.permissions.get(user_role, [])
+
+    def add_permission(self, user_role, permission):
+        if user_role not in self.permissions:
+            self.permissions[user_role] = []
+        self.permissions[user_role].append(permission)
+
+    def remove_permission(self, user_role, permission):
+        if user_role in self.permissions and permission in self.permissions[user_role]:
+            self.permissions[user_role].remove(permission)
+
+    def save_permissions(self, file_path):
+        with open(file_path, 'w') as file:
+            json.dump(self.permissions, file)
+
+    def load_permissions(self, file_path):
+        with open(file_path, 'r') as file:
+            self.permissions = json.load(file)