diff --git a/datahub/company_activity/migrations/0024_stova_event_integer_to_charfield.py b/datahub/company_activity/migrations/0024_stova_event_integer_to_charfield.py
new file mode 100644
index 000000000..24787b320
--- /dev/null
+++ b/datahub/company_activity/migrations/0024_stova_event_integer_to_charfield.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.2.17 on 2025-01-21 10:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('company_activity', '0023_link_stova_attendee_to_event'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stovaevent',
+            name='created_by',
+            field=models.CharField(blank=True, default='', max_length=255),
+        ),
+        migrations.AlterField(
+            model_name='stovaevent',
+            name='modified_by',
+            field=models.CharField(blank=True, default='', max_length=255),
+        ),
+    ]
diff --git a/datahub/company_activity/models/stova_event.py b/datahub/company_activity/models/stova_event.py
index 37b8913f7..9b089ecdb 100644
--- a/datahub/company_activity/models/stova_event.py
+++ b/datahub/company_activity/models/stova_event.py
@@ -23,8 +23,8 @@ class StovaEvent(models.Model):
     description = models.TextField()
     code = models.CharField(max_length=MAX_LENGTH)
 
-    created_by = models.IntegerField(null=True, blank=True)
-    modified_by = models.IntegerField(null=True, blank=True)
+    created_by = models.CharField(max_length=MAX_LENGTH, blank=True, default='')
+    modified_by = models.CharField(max_length=MAX_LENGTH, blank=True, default='')
 
     client_contact = models.IntegerField(null=True, blank=True)
     contact_info = models.CharField(max_length=MAX_LENGTH)
diff --git a/datahub/company_activity/tasks/ingest_stova_events.py b/datahub/company_activity/tasks/ingest_stova_events.py
index 13bded623..19adf8707 100644
--- a/datahub/company_activity/tasks/ingest_stova_events.py
+++ b/datahub/company_activity/tasks/ingest_stova_events.py
@@ -64,11 +64,11 @@ def _process_record(self, record: dict) -> None:
             'folder_id': record.get('folder_id'),
             'live_date': record.get('live_date'),
             'close_date': record.get('close_date'),
-            'created_by': record.get('created_by'),
+            'created_by': record.get('created_by', ''),
             'price_type': record.get('price_type', ''),
             'start_date': record.get('start_date'),
             'description': record.get('description', ''),
-            'modified_by': record.get('modified_by'),
+            'modified_by': record.get('modified_by', ''),
             'contact_info': record.get('contact_info', ''),
             'created_date': record.get('created_date'),
             'location_city': record.get('location_city', ''),
diff --git a/datahub/company_activity/tests/test_tasks/test_stova_ingestion_task.py b/datahub/company_activity/tests/test_tasks/test_stova_ingestion_task.py
index 92e6b61f7..4e99b54f6 100644
--- a/datahub/company_activity/tests/test_tasks/test_stova_ingestion_task.py
+++ b/datahub/company_activity/tests/test_tasks/test_stova_ingestion_task.py
@@ -75,11 +75,11 @@ def test_base_stova_event():
         'folder_id': 3479,
         'live_date': '2024-10-08 10:48:36.204549+00:00',
         'close_date': '2024-10-08 10:48:36.204570+00:00',
-        'created_by': 5808,
+        'created_by': 'example@example.com',
         'price_type': 'net',
         'start_date': '2024-10-08 10:48:36.204592+00:00',
         'description': 'star',
-        'modified_by': 9588,
+        'modified_by': 'example@example.com',
         'contact_info': 'molinakaren@example.com',
         'created_date': '2024-10-08 10:48:36.204839+00:00',
         'location_city': 'Port Laurenside',