diff --git a/aiogram/types/chat_member.py b/aiogram/types/chat_member.py
index 347b2750..6b121c91 100644
--- a/aiogram/types/chat_member.py
+++ b/aiogram/types/chat_member.py
@@ -34,6 +34,9 @@ class ChatMember(base.TelegramObject):
     can_send_other_messages: base.Boolean = fields.Field()
     can_add_web_page_previews: base.Boolean = fields.Field()
 
+    def is_chat_creator(self) -> bool:
+        return ChatMemberStatus.is_chat_creator(self.status)
+
     def is_chat_admin(self) -> bool:
         return ChatMemberStatus.is_chat_admin(self.status)
 
@@ -57,6 +60,10 @@ class ChatMemberStatus(helper.Helper):
     LEFT = helper.Item()  # left
     KICKED = helper.Item()  # kicked
 
+    @classmethod
+    def is_chat_creator(cls, role: str) -> bool:
+        return role == cls.CREATOR
+
     @classmethod
     def is_chat_admin(cls, role: str) -> bool:
         return role in [cls.ADMINISTRATOR, cls.CREATOR]