diff --git a/desktop_app/main.py b/desktop_app/main.py
index 58b033e..de8afe1 100644
--- a/desktop_app/main.py
+++ b/desktop_app/main.py
@@ -35,6 +35,7 @@ def open_chat(channel: dict, channel_name: str, is_group=False):
     chat_content.clear()
     
     with chat_content:
+        # back btn
         with ui.row():
             ui.button("Back", icon="arrow_back", on_click=show_contacts).props("flat")
             
@@ -43,16 +44,30 @@ def open_chat(channel: dict, channel_name: str, is_group=False):
         
         ui.separator()
         
-        with ui.column().classes('w-full h-full overflow-auto'):
-            
-            current_messages = []
-            
-            for i, msg in enumerate(channel):
-                current_messages.append(msg.content)
+        with ui.row().classes('w-full h-full'):
+            # message history
+            with ui.column().classes('flex-grow h-full overflow-auto'):
                 
-                if i == len(channel)-1 or channel[i + 1].sender != msg.sender:
-                    ui.chat_message(current_messages, name=msg.sender.name, stamp=msg.timestamp, sent=msg.sender != me)
-                    current_messages = []
+                current_messages = []
+                
+                for i, msg in enumerate(channel):
+                    current_messages.append(msg.content)
+                    
+                    if i == len(channel)-1 or channel[i + 1].sender != msg.sender:
+                        ui.chat_message(current_messages, name=msg.sender.name, stamp=msg.timestamp, sent=msg.sender != me)
+                        current_messages = []
+                        
+            # users column on the right
+            with ui.column().classes('w-50 border-l h-full'):
+                ui.label("Users").classes('pl-4 text-h5')
+                ui.separator()
+                
+                for user in set(msg.sender.name for msg in channel):
+                    with ui.item():
+                        with ui.item_section().props("avatar"):
+                            ui.icon("person")
+                        with ui.item_section():
+                            ui.item_label(user)
 
 def show_contacts():
     chat_content.clear()