diff --git a/app/admin_api/serializers/event/presentation.py b/app/admin_api/serializers/event/presentation.py
index 8e9a58d..ae21cf6 100644
--- a/app/admin_api/serializers/event/presentation.py
+++ b/app/admin_api/serializers/event/presentation.py
@@ -49,6 +49,7 @@ class Meta:
             "summary_en",
             "slideshow_url",
             "public_slideshow_file",
+            "public_slideshow_url",
             "image",
             "description_ko",
             "description_en",
diff --git a/app/event/presentation/models.py b/app/event/presentation/models.py
index e409d79..54e23cf 100644
--- a/app/event/presentation/models.py
+++ b/app/event/presentation/models.py
@@ -116,9 +116,12 @@ class Presentation(BaseAbstractModel):
         on_delete=models.PROTECT,
         null=True,
         blank=True,
-        help_text="최종 외부 공개용 발표 자료",
+        help_text="최종 외부 공개용 발표 자료 (파일)",
         related_name="+",
     )
+    public_slideshow_url = models.URLField(
+        null=True, blank=True, default="", help_text="최종 외부 공개용 발표 자료 (URL)"
+    )
 
     categories = models.ManyToManyField(to="PresentationCategory", through="PresentationCategoryRelation")
     objects: PresentationQuerySet = PresentationQuerySet.as_manager()
diff --git a/app/event/presentation/serializers.py b/app/event/presentation/serializers.py
index de67b10..ffce059 100644
--- a/app/event/presentation/serializers.py
+++ b/app/event/presentation/serializers.py
@@ -98,6 +98,7 @@ class Meta:
             "description",
             "slideshow_url",
             "public_slideshow_file",
+            "public_slideshow_url",
             "image",
             "categories",
             "speakers",