diff --git a/greenmine/base/users/fixtures/initial_role.json b/greenmine/base/users/fixtures/initial_role.json
index 4809773a..257025c2 100644
--- a/greenmine/base/users/fixtures/initial_role.json
+++ b/greenmine/base/users/fixtures/initial_role.json
@@ -537,6 +537,7 @@
         ], 
         "name": "Back", 
         "slug": "back", 
+        "computable": true, 
         "order": 40
     }
 },
@@ -1078,6 +1079,7 @@
         ], 
         "name": "Front", 
         "slug": "front", 
+        "computable": true, 
         "order": 30
     }
 },
@@ -1619,6 +1621,7 @@
         ], 
         "name": "UX", 
         "slug": "ux", 
+        "computable": true, 
         "order": 10
     }
 },
@@ -2160,7 +2163,662 @@
         ], 
         "name": "Design", 
         "slug": "design", 
+        "computable": true, 
         "order": 20
     }
+},
+{
+    "pk": 5, 
+    "model": "users.role", 
+    "fields": {
+        "permissions": [
+            [
+                "add_logentry", 
+                "admin", 
+                "logentry"
+            ], 
+            [
+                "change_logentry", 
+                "admin", 
+                "logentry"
+            ], 
+            [
+                "delete_logentry", 
+                "admin", 
+                "logentry"
+            ], 
+            [
+                "add_group", 
+                "auth", 
+                "group"
+            ], 
+            [
+                "change_group", 
+                "auth", 
+                "group"
+            ], 
+            [
+                "delete_group", 
+                "auth", 
+                "group"
+            ], 
+            [
+                "add_permission", 
+                "auth", 
+                "permission"
+            ], 
+            [
+                "change_permission", 
+                "auth", 
+                "permission"
+            ], 
+            [
+                "delete_permission", 
+                "auth", 
+                "permission"
+            ], 
+            [
+                "add_role", 
+                "users", 
+                "role"
+            ], 
+            [
+                "change_role", 
+                "users", 
+                "role"
+            ], 
+            [
+                "delete_role", 
+                "users", 
+                "role"
+            ], 
+            [
+                "add_user", 
+                "users", 
+                "user"
+            ], 
+            [
+                "change_user", 
+                "users", 
+                "user"
+            ], 
+            [
+                "delete_user", 
+                "users", 
+                "user"
+            ], 
+            [
+                "add_contenttype", 
+                "contenttypes", 
+                "contenttype"
+            ], 
+            [
+                "change_contenttype", 
+                "contenttypes", 
+                "contenttype"
+            ], 
+            [
+                "delete_contenttype", 
+                "contenttypes", 
+                "contenttype"
+            ], 
+            [
+                "add_message", 
+                "djmail", 
+                "message"
+            ], 
+            [
+                "change_message", 
+                "djmail", 
+                "message"
+            ], 
+            [
+                "delete_message", 
+                "djmail", 
+                "message"
+            ], 
+            [
+                "add_revision", 
+                "reversion", 
+                "revision"
+            ], 
+            [
+                "change_revision", 
+                "reversion", 
+                "revision"
+            ], 
+            [
+                "delete_revision", 
+                "reversion", 
+                "revision"
+            ], 
+            [
+                "add_version", 
+                "reversion", 
+                "version"
+            ], 
+            [
+                "change_version", 
+                "reversion", 
+                "version"
+            ], 
+            [
+                "delete_version", 
+                "reversion", 
+                "version"
+            ], 
+            [
+                "add_attachment", 
+                "projects", 
+                "attachment"
+            ], 
+            [
+                "change_attachment", 
+                "projects", 
+                "attachment"
+            ], 
+            [
+                "delete_attachment", 
+                "projects", 
+                "attachment"
+            ], 
+            [
+                "add_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "assign_issue_to_myself", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "assign_issue_to_other", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "change_assigned_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "change_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "change_issue_state", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "change_owned_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "comment_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "delete_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "view_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "add_issuestatus", 
+                "projects", 
+                "issuestatus"
+            ], 
+            [
+                "change_issuestatus", 
+                "projects", 
+                "issuestatus"
+            ], 
+            [
+                "delete_issuestatus", 
+                "projects", 
+                "issuestatus"
+            ], 
+            [
+                "add_issuetype", 
+                "projects", 
+                "issuetype"
+            ], 
+            [
+                "change_issuetype", 
+                "projects", 
+                "issuetype"
+            ], 
+            [
+                "delete_issuetype", 
+                "projects", 
+                "issuetype"
+            ], 
+            [
+                "add_membership", 
+                "projects", 
+                "membership"
+            ], 
+            [
+                "change_membership", 
+                "projects", 
+                "membership"
+            ], 
+            [
+                "delete_membership", 
+                "projects", 
+                "membership"
+            ], 
+            [
+                "add_milestone", 
+                "milestones", 
+                "milestone"
+            ], 
+            [
+                "change_milestone", 
+                "milestones", 
+                "milestone"
+            ], 
+            [
+                "delete_milestone", 
+                "milestones", 
+                "milestone"
+            ], 
+            [
+                "view_milestone", 
+                "milestones", 
+                "milestone"
+            ], 
+            [
+                "add_points", 
+                "projects", 
+                "points"
+            ], 
+            [
+                "change_points", 
+                "projects", 
+                "points"
+            ], 
+            [
+                "delete_points", 
+                "projects", 
+                "points"
+            ], 
+            [
+                "add_priority", 
+                "projects", 
+                "priority"
+            ], 
+            [
+                "change_priority", 
+                "projects", 
+                "priority"
+            ], 
+            [
+                "delete_priority", 
+                "projects", 
+                "priority"
+            ], 
+            [
+                "add_project", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "change_project", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "delete_project", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "list_projects", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "manage_users", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "view_project", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "add_rolepoints", 
+                "userstories", 
+                "rolepoints"
+            ], 
+            [
+                "change_rolepoints", 
+                "userstories", 
+                "rolepoints"
+            ], 
+            [
+                "delete_rolepoints", 
+                "userstories", 
+                "rolepoints"
+            ], 
+            [
+                "add_severity", 
+                "projects", 
+                "severity"
+            ], 
+            [
+                "change_severity", 
+                "projects", 
+                "severity"
+            ], 
+            [
+                "delete_severity", 
+                "projects", 
+                "severity"
+            ], 
+            [
+                "add_task", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "add_task_to_us", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "assign_task_to_myself", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "assign_task_to_other", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "change_assigned_task", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "change_owned_task", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "change_task", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "change_task_state", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "comment_task", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "delete_task", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "view_task", 
+                "tasks", 
+                "task"
+            ], 
+            [
+                "add_taskstatus", 
+                "projects", 
+                "taskstatus"
+            ], 
+            [
+                "change_taskstatus", 
+                "projects", 
+                "taskstatus"
+            ], 
+            [
+                "delete_taskstatus", 
+                "projects", 
+                "taskstatus"
+            ], 
+            [
+                "add_userstory", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "add_userstory_to_milestones", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "change_owned_userstory", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "change_userstory", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "comment_userstory", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "delete_userstory", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "view_userstory", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "add_userstorystatus", 
+                "projects", 
+                "userstorystatus"
+            ], 
+            [
+                "change_userstorystatus", 
+                "projects", 
+                "userstorystatus"
+            ], 
+            [
+                "delete_userstorystatus", 
+                "projects", 
+                "userstorystatus"
+            ], 
+            [
+                "add_session", 
+                "sessions", 
+                "session"
+            ], 
+            [
+                "change_session", 
+                "sessions", 
+                "session"
+            ], 
+            [
+                "delete_session", 
+                "sessions", 
+                "session"
+            ], 
+            [
+                "add_migrationhistory", 
+                "south", 
+                "migrationhistory"
+            ], 
+            [
+                "change_migrationhistory", 
+                "south", 
+                "migrationhistory"
+            ], 
+            [
+                "delete_migrationhistory", 
+                "south", 
+                "migrationhistory"
+            ], 
+            [
+                "add_wikipage", 
+                "wiki", 
+                "wikipage"
+            ], 
+            [
+                "change_owned_wikipage", 
+                "wiki", 
+                "wikipage"
+            ], 
+            [
+                "change_wikipage", 
+                "wiki", 
+                "wikipage"
+            ], 
+            [
+                "delete_wikipage", 
+                "wiki", 
+                "wikipage"
+            ], 
+            [
+                "view_wikipage", 
+                "wiki", 
+                "wikipage"
+            ]
+        ], 
+        "name": "Product Owner", 
+        "slug": "product-ouner", 
+        "computable": false, 
+        "order": 50
+    }
+},
+{
+    "pk": 6, 
+    "model": "users.role", 
+    "fields": {
+        "permissions": [
+            [
+                "change_revision", 
+                "reversion", 
+                "revision"
+            ], 
+            [
+                "delete_revision", 
+                "reversion", 
+                "revision"
+            ], 
+            [
+                "add_version", 
+                "reversion", 
+                "version"
+            ], 
+            [
+                "change_version", 
+                "reversion", 
+                "version"
+            ], 
+            [
+                "delete_version", 
+                "reversion", 
+                "version"
+            ], 
+            [
+                "add_attachment", 
+                "projects", 
+                "attachment"
+            ], 
+            [
+                "change_attachment", 
+                "projects", 
+                "attachment"
+            ], 
+            [
+                "delete_attachment", 
+                "projects", 
+                "attachment"
+            ], 
+            [
+                "add_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "change_owned_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "comment_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "view_issue", 
+                "issues", 
+                "issue"
+            ], 
+            [
+                "view_milestone", 
+                "milestones", 
+                "milestone"
+            ], 
+            [
+                "list_projects", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "view_project", 
+                "projects", 
+                "project"
+            ], 
+            [
+                "view_userstory", 
+                "userstories", 
+                "userstory"
+            ], 
+            [
+                "add_session", 
+                "sessions", 
+                "session"
+            ], 
+            [
+                "change_session", 
+                "sessions", 
+                "session"
+            ], 
+            [
+                "delete_session", 
+                "sessions", 
+                "session"
+            ], 
+            [
+                "view_wikipage", 
+                "wiki", 
+                "wikipage"
+            ]
+        ], 
+        "name": "Stakeholder", 
+        "slug": "stakeholder", 
+        "computable": false, 
+        "order": 60
+    }
 }
 ]
diff --git a/greenmine/projects/models.py b/greenmine/projects/models.py
index bdb64637..fa4489ec 100644
--- a/greenmine/projects/models.py
+++ b/greenmine/projects/models.py
@@ -55,6 +55,7 @@ class Membership(models.Model):
 
     class Meta:
         unique_together = ("user", "project")
+        ordering = ["project", "role", "user"]
 
 
 class Project(models.Model):