diff --git a/frontend/src/Main.elm b/frontend/src/Main.elm
index ecece82..3693547 100644
--- a/frontend/src/Main.elm
+++ b/frontend/src/Main.elm
@@ -158,10 +158,24 @@ update msg model =
 
         -- INIT
         NameChanged name ->
-            ( { model | userName = name }, Cmd.none )
+            let
+                me =
+                    model.me
+
+                newme =
+                    { me | name = name }
+            in
+            ( { model | me = newme }, Cmd.none )
 
         NameGenerated scrambled ->
-            ( { model | userName = scrambled.prefix ++ " " ++ scrambled.suffix }, Cmd.none )
+            let
+                me =
+                    model.me
+
+                newme =
+                    { me | name = scrambled.prefix ++ " " ++ scrambled.suffix }
+            in
+            ( { model | me = newme }, Cmd.none )
 
         RandomizeName ->
             ( model, randomUserName )
@@ -202,7 +216,7 @@ view model =
             [ h1 [ class "app-title" ] [ text "Open-Retro" ]
             , ul []
                 [ li []
-                    [ input [ onInput NameChanged, value model.userName ]
+                    [ input [ onInput NameChanged, value model.me.name ]
                         []
                     ]
                 , li []
@@ -245,4 +259,5 @@ homePage _ =
 
 pokerPage : Model -> List (Html Msg)
 pokerPage _ =
-    []
+    [ ul [] []
+    ]
diff --git a/frontend/src/Model.elm b/frontend/src/Model.elm
index 70ec89f..0b342ce 100644
--- a/frontend/src/Model.elm
+++ b/frontend/src/Model.elm
@@ -3,6 +3,7 @@ module Model exposing (InitInfo, Model, initialModel)
 import Browser.Navigation as Nav
 import Http
 import Navigation
+import Participant exposing (Participant)
 import Url exposing (Url)
 
 
@@ -15,9 +16,9 @@ type alias Model =
     , apiHost : String
     , route : Navigation.Route
     , httpError : Maybe Http.Error
-    , userUuid : Uuid
-    , userName : String
+    , me : Participant
     , session : Maybe String
+    , participants : List Participant
     }
 
 
@@ -37,12 +38,12 @@ initialModel init =
         init.route
         -- httpError
         Maybe.Nothing
-        -- userUuid
-        init.userUuid
-        -- userName
-        ""
+        -- me
+        (Participant init.userUuid "")
         -- session
         Maybe.Nothing
+        -- participants
+        []
 
 
 urlToPort : Url -> String
diff --git a/frontend/src/Participant.elm b/frontend/src/Participant.elm
new file mode 100644
index 0000000..6f10c91
--- /dev/null
+++ b/frontend/src/Participant.elm
@@ -0,0 +1,26 @@
+module Participant exposing (Participant, decoder)
+
+import Json.Decode exposing (Decoder, field, map2, string)
+import Json.Encode as Enc exposing (object)
+
+
+type alias Participant =
+    { id : String
+    , name : String
+    }
+
+
+decoder : Decoder Participant
+decoder =
+    map2 Participant
+        (field "id" string)
+        (field "name" string)
+
+
+encode : Participant -> String
+encode participant =
+    object
+        [ ( "id", Enc.string participant.id )
+        , ( "name", Enc.string participant.name )
+        ]
+        |> Enc.encode 0
diff --git a/frontend/src/WsMessage.elm b/frontend/src/WsMessage.elm
index 13b36bd..c781a3e 100644
--- a/frontend/src/WsMessage.elm
+++ b/frontend/src/WsMessage.elm
@@ -1,9 +1,10 @@
-module WsMessage exposing (Action(..), Publisher, WsMessage, createSession, decode, msgDecoder, strToAction)
+module WsMessage exposing (Action(..), WsMessage, createSession, decode, msgDecoder, strToAction)
 
 import Dict exposing (Dict)
 import Json.Decode exposing (Decoder, andThen, decodeString, fail, field, map2, map3, string, succeed)
 import Json.Encode as Enc
 import Model exposing (Model)
+import Participant as Participant exposing (Participant)
 
 
 type Action
@@ -39,15 +40,9 @@ strToAction str =
             fail ("invalid action '" ++ str ++ "'")
 
 
-type alias Publisher =
-    { uuid : String
-    , name : String
-    }
-
-
 type alias WsMessage =
     { action : Action
-    , publisher : Publisher
+    , publisher : Participant
     , payload : String
     }
 
@@ -60,12 +55,7 @@ msgDecoder : Decoder WsMessage
 msgDecoder =
     map3 WsMessage
         (field "action" string |> andThen strToAction)
-        (field "publisher"
-            (map2 Publisher
-                (field "uuid" string)
-                (field "name" string)
-            )
-        )
+        (field "publisher" Participant.decoder)
         (field "payload" string)
 
 
@@ -89,8 +79,8 @@ createSession model =
         [ ( "action", Enc.string (actionToString CreateSession) )
         , ( "publisher"
           , Enc.object
-                [ ( "uuid", Enc.string model.userUuid )
-                , ( "name", Enc.string model.userName )
+                [ ( "id", Enc.string model.me.id )
+                , ( "name", Enc.string model.me.name )
                 ]
           )
         , ( "payload", Enc.string "" )