diff --git a/src/Bundle/ChillPersonBundle/Config/services/eventlisteners.yaml b/src/Bundle/ChillPersonBundle/Config/services/eventlisteners.yaml
new file mode 100644
index 000000000..7a555afd8
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Config/services/eventlisteners.yaml
@@ -0,0 +1,8 @@
+services:
+  Chill\PersonBundle\EventListener\:
+    autowire: true
+    autoconfigure: true
+    tags:
+      - name: "doctrine.orm.entity_listener"
+        event: "prePersist"
+        entity: 'Chill\PersonBundle\Entity\Person'
diff --git a/src/Bundle/ChillPersonBundle/Controller/PersonController.php b/src/Bundle/ChillPersonBundle/Controller/PersonController.php
index 03da97d5f..570b51f8d 100644
--- a/src/Bundle/ChillPersonBundle/Controller/PersonController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/PersonController.php
@@ -268,7 +268,7 @@ final class PersonController extends AbstractController
             ) {
                 $this->em->persist($person);
 
-                $this->em->flush();
+                // $this->em->flush();
                 $this->lastPostDataReset();
 
                 if ($form->get('createPeriod')->isClicked()) {
diff --git a/src/Bundle/ChillPersonBundle/EventListener/PersonCreateEvent.php b/src/Bundle/ChillPersonBundle/EventListener/PersonCreateEvent.php
new file mode 100644
index 000000000..26413f332
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/EventListener/PersonCreateEvent.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\PersonBundle\EventListener;
+
+use Chill\PersonBundle\Entity\Person;
+use Doctrine\ORM\EntityManager;
+use Doctrine\Persistence\Event\LifecycleEventArgs;
+
+class PersonCreateEvent
+{
+    public EntityManager $em;
+
+    public function __construct(EntityManager $em)
+    {
+        $this->em = $em;
+    }
+
+    public function onPrePersist(LifecycleEventArgs $event): void
+    {
+        $person = $event->getObject();
+
+        if ($person instanceof Person){
+            $firstnameCaps = ucfirst(strtolower($person->getFirstName()));
+            $person->setFirstName($firstnameCaps);
+
+            $lastnameCaps = strtoupper($person->getLastName());
+            $person->setLastName($lastnameCaps);
+
+            dump($person);
+            // $this->em->persist($person);
+            // $this->em->flush();
+        }
+    }
+}
\ No newline at end of file