diff --git a/server/controllers/staff/add.php b/server/controllers/staff/add.php
index e3b13390..df05beeb 100644
--- a/server/controllers/staff/add.php
+++ b/server/controllers/staff/add.php
@@ -51,9 +51,11 @@ class AddStaffController extends Controller {
                 'password'=> Hashing::hashPassword($this->password),
                 'profilePic' => $this->profilePic,
                 'level' => $this->level,
-                'sharedDepartmentList'=> $this->getDepartmentList(),
-            ]);
+                'sharedDepartmentList' => $this->getDepartmentList()
 
+            ]);
+            
+            $this->addOwner();
             
             Response::respondSuccess([
                 'id' => $staff->store()
@@ -84,4 +86,13 @@ class AddStaffController extends Controller {
 
         return $listDepartments;
     }
+    public function addOwner() {
+        $departmentIds = json_decode($this->departments);
+
+        foreach($departmentIds as $id) {
+            $departmentRow = Department::getDataStore($id);
+            $departmentRow->owners++;
+            $departmentRow->store();
+        }
+    }
 }
\ No newline at end of file
diff --git a/server/controllers/staff/delete.php b/server/controllers/staff/delete.php
index d9332267..cde02d0e 100644
--- a/server/controllers/staff/delete.php
+++ b/server/controllers/staff/delete.php
@@ -26,6 +26,12 @@ class DeleteStaffController extends Controller {
             $ticket->true  = true;
             $ticket->store();
         }
+            
+        foreach($staff->sharedDepartmentList as $department) {
+            $department->owners--;
+            $department->store();
+        }
+        
 
         $staff->delete();
         Response::respondSuccess();
diff --git a/server/controllers/staff/edit.php b/server/controllers/staff/edit.php
index 66500cc0..f18c3f31 100644
--- a/server/controllers/staff/edit.php
+++ b/server/controllers/staff/edit.php
@@ -30,6 +30,10 @@ class EditStaffController extends Controller {
             Response::respondError(ERRORS::NO_PERMISSION);
             return;
         }
+        
+        if(Controller::request('departments')) {
+            $this->updateDepartmentsOwners();    
+        }
 
         $this->editInformation();
         Response::respondSuccess();
@@ -68,4 +72,39 @@ class EditStaffController extends Controller {
 
         return $listDepartments;
     }
+
+    public function updateDepartmentsOwners() {
+        $list1 = $this->staffRow->sharedDepartmentList;
+        $list2 = $this->getDepartmentList();
+
+        foreach ($list1 as $department1) {
+            $match = false;
+
+            foreach ($list2 as $department2) {
+                if($department1->id == $department2->id) {
+                    $match = true;
+                }
+            }
+
+            if(!$match) {
+                $department1->owners--;
+                $department1->store();
+            }
+        }
+
+        foreach ($list2 as $department2) {
+            $match = false;
+
+            foreach ($list1 as $department1) {
+                if($department2->id == $department1->id) {
+                    $match = true;
+                }
+            }
+
+            if(!$match) {
+                $department2->owners++;
+                $department2->store();
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/server/controllers/system/init-settings.php b/server/controllers/system/init-settings.php
index 10f27aa2..ad954419 100644
--- a/server/controllers/system/init-settings.php
+++ b/server/controllers/system/init-settings.php
@@ -93,6 +93,10 @@ class InitSettingsController extends Controller {
             'sharedDepartmentList' => Department::getAll(),
             'sharedTicketList' => []
         ]);
+        foreach(Department::getAll() as $department) {
+            $department->owners++;
+            $department->store();
+        }
         $staff->store();
     }
 }
\ No newline at end of file
diff --git a/server/models/Department.php b/server/models/Department.php
index 58d8cd38..34b50ca8 100644
--- a/server/models/Department.php
+++ b/server/models/Department.php
@@ -7,7 +7,14 @@ class Department extends DataStore {
     public static function getProps() {
         return [
             'name',
-            'sharedTicketList'
+            'sharedTicketList',
+            'owners'
+        ];
+    }
+    
+    public function getDefaultProps() {
+        return [
+            'owners' => 0 
         ];
     }
 
@@ -18,7 +25,8 @@ class Department extends DataStore {
         foreach($departmentsList as $department) {
             $departmentsNameList[] = [
                 'id' => $department->id,
-                'name' => $department->name
+                'name' => $department->name,
+                'owners' => $department->owners
             ];
         }
         
@@ -27,7 +35,8 @@ class Department extends DataStore {
     public function toArray() {
         return [
             'id' => $this->id,
-            'name' => $this->name
+            'name' => $this->name,
+            'owners' => $this->owners
         ];
     }
 }
\ No newline at end of file