diff --git a/package.json b/package.json
index 6880974..7188204 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,9 @@
     "@types/node": "^12.0.0",
     "@types/react": "^16.9.0",
     "@types/react-dom": "^16.9.0",
+    "@types/react-redux": "^7.1.9",
     "@types/react-router-dom": "^5.1.5",
+    "@types/redux": "^3.6.0",
     "@typescript-eslint/eslint-plugin": "^2.10.0",
     "@typescript-eslint/parser": "^2.10.0",
     "babel-core": "^6.26.3",
@@ -38,7 +40,10 @@
     "react-app-polyfill": "^1.0.6",
     "react-dev-utils": "^10.2.1",
     "react-dom": "^16.13.1",
+    "react-redux": "^7.2.0",
     "react-router-dom": "^5.2.0",
+    "redux": "^4.0.5",
+    "redux-devtools-extension": "^2.13.8",
     "sass-loader": "8.0.2",
     "style-loader": "0.23.1",
     "ts-loader": "^7.0.5",
diff --git a/src/app.tsx b/src/app.tsx
index 8a5d56e..d196c3d 100644
--- a/src/app.tsx
+++ b/src/app.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { Dispatch } from 'react';
 import { MuiThemeProvider as ThemeProvider, StylesProvider } from "@material-ui/core/styles";
 import { studentTheme } from "./ui/theme";
 import { MuiPickersUtilsProvider } from "@material-ui/pickers";
@@ -11,7 +11,11 @@ import '@/styles/header.scss'
 
 import moment, { Moment } from "moment";
 import { route, routes } from "@/routing";
-import { Button, Divider } from '@material-ui/core';
+import { Provider, useDispatch, useSelector } from "react-redux";
+import store from "@/state/store";
+import { AppState } from "@/state/reducer";
+import { StudentAction, StudentActions } from "@/state/actions/student";
+import { sampleStudent } from "@/provider/dummy/student";
 
 moment.locale("pl")
 
@@ -21,42 +25,72 @@ class LocalizedMomentUtils extends MomentUtils {
     }
 }
 
+const UserMenu = () => {
+    const student = useSelector<AppState>(state => state.student);
+
+    const dispatch = useDispatch<Dispatch<StudentAction>>();
+
+    const handleUserLogin = () => {
+        dispatch({
+            type: StudentActions.Login,
+            student: sampleStudent,
+        })
+    }
+
+    const handleUserLogout = () => {
+        dispatch({ type: StudentActions.Logout })
+    }
+
+    return student ? <>
+        zalogowany jako: <strong>Jan Kowalski</strong>
+        {' '}
+        (<Link to={'#'} onClick={ handleUserLogout }>wyloguj się</Link>)
+    </> : <>
+        <Link to={'#'} onClick={ handleUserLogin }>zaloguj się</Link>
+    </>;
+}
+
+const AppHeader = () => {
+    return <header className="header">
+        <div id="logo" className="header__logo">
+            <Link to={ route('home') }>
+                <img src="img/pg-logotyp.svg"/>
+            </Link>
+        </div>
+        <div className="header__nav">
+            <nav className="header__top">
+                <ul className="header__menu"></ul>
+                <div className="header__user">
+                    <UserMenu />
+                </div>
+                <div className="header__divider" />
+                <ul className="header__language-switcher">
+                    <li>pl</li>
+                    <li>en</li>
+                </ul>
+            </nav>
+            <nav className="header__bottom">
+                <ul className="header__menu header__menu--main"></ul>
+            </nav>
+        </div>
+    </header>
+}
+
+
 function App() {
     return (
-        <StylesProvider injectFirst>
-            <MuiPickersUtilsProvider utils={ LocalizedMomentUtils } libInstance={ moment }>
-                <ThemeProvider theme={ studentTheme }>
-                    <BrowserRouter>
-                        <header className="header">
-                            <div id="logo" className="header__logo">
-                                <Link to={ route('home') }>
-                                    <img src="img/eti-logo.svg"/>
-                                </Link>
-                            </div>
-                            <div className="header__nav">
-                                <nav className="header__top">
-                                    <ul className="header__menu"></ul>
-                                    <div className="header__user">
-                                        zalogowany jako: <strong>Jan Kowalski</strong>
-                                        {' '}
-                                        (<Link to={'#'}>wyloguj się</Link>)
-                                    </div>
-                                    <div className="header__divider" />
-                                    <ul className="header__language-switcher">
-                                        <li>pl</li>
-                                        <li>en</li>
-                                    </ul>
-                                </nav>
-                                <nav className="header__bottom">
-                                    <ul className="header__menu header__menu--main"></ul>
-                                </nav>
-                            </div>
-                        </header>
-                        <Switch>{ routes.map(({ name, content, ...route }) => <Route { ...route } key={ name }>{ content() }</Route>) }</Switch>
-                    </BrowserRouter>
-                </ThemeProvider>
-            </MuiPickersUtilsProvider>
-        </StylesProvider>
+        <Provider store={ store }>
+            <StylesProvider injectFirst>
+                <MuiPickersUtilsProvider utils={ LocalizedMomentUtils } libInstance={ moment }>
+                    <ThemeProvider theme={ studentTheme }>
+                        <BrowserRouter>
+                            <AppHeader />
+                            <Switch>{ routes.map(({ name, content, ...route }) => <Route { ...route } key={ name }>{ content() }</Route>) }</Switch>
+                        </BrowserRouter>
+                    </ThemeProvider>
+                </MuiPickersUtilsProvider>
+            </StylesProvider>
+        </Provider>
     );
 }
 
diff --git a/src/state/actions/base.ts b/src/state/actions/base.ts
new file mode 100644
index 0000000..42285e4
--- /dev/null
+++ b/src/state/actions/base.ts
@@ -0,0 +1,3 @@
+export interface Action<TType extends string> {
+    readonly type: TType;
+}
diff --git a/src/state/actions/index.ts b/src/state/actions/index.ts
new file mode 100644
index 0000000..e69de29
diff --git a/src/state/actions/student.ts b/src/state/actions/student.ts
new file mode 100644
index 0000000..29c6ae0
--- /dev/null
+++ b/src/state/actions/student.ts
@@ -0,0 +1,16 @@
+import { Action } from "@/state/actions/base";
+import { Student } from "@/data";
+
+export enum StudentActions {
+    Login = 'LOGIN',
+    Logout = 'LOGOUT'
+}
+
+export interface LoginAction extends Action<StudentActions.Login> {
+    student: Student
+}
+
+export type LogoutAction = Action<StudentActions.Logout>;
+
+export type StudentAction = LoginAction | LogoutAction;
+
diff --git a/src/state/reducer/index.ts b/src/state/reducer/index.ts
new file mode 100644
index 0000000..5f2faad
--- /dev/null
+++ b/src/state/reducer/index.ts
@@ -0,0 +1,10 @@
+import { combineReducers } from "redux";
+import studentReducer from "./student"
+
+const rootReducer = combineReducers({
+    student: studentReducer,
+})
+
+export type AppState = ReturnType<typeof rootReducer>;
+
+export default rootReducer;
diff --git a/src/state/reducer/student.ts b/src/state/reducer/student.ts
new file mode 100644
index 0000000..687f308
--- /dev/null
+++ b/src/state/reducer/student.ts
@@ -0,0 +1,20 @@
+import { Student } from "@/data";
+import { StudentAction, StudentActions } from "@/state/actions/student";
+
+export type StudentState = Student | null;
+
+const initialStudentState: StudentState = null;
+
+const studentReducer = (state: StudentState = initialStudentState, action: StudentAction): StudentState => {
+    switch (action.type) {
+        case StudentActions.Login:
+            return action.student;
+
+        case StudentActions.Logout:
+            return null;
+    }
+
+    return state;
+}
+
+export default studentReducer;
diff --git a/src/state/store.ts b/src/state/store.ts
new file mode 100644
index 0000000..7e045a3
--- /dev/null
+++ b/src/state/store.ts
@@ -0,0 +1,7 @@
+import { createStore } from "redux";
+import rootReducer from "@/state/reducer";
+import { devToolsEnhancer } from "redux-devtools-extension";
+
+const store = createStore(rootReducer, devToolsEnhancer({ }));
+
+export default store;
diff --git a/yarn.lock b/yarn.lock
index 0302808..48105c9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1146,6 +1146,14 @@
   resolved "https://registry.yarnpkg.com/@types/history/-/history-4.7.6.tgz#ed8fc802c45b8e8f54419c2d054e55c9ea344356"
   integrity sha512-GRTZLeLJ8ia00ZH8mxMO8t0aC9M1N9bN461Z2eaRurJo6Fpa+utgCwLzI4jQHcrdzuzp5WPN9jRwpsCQ1VhJ5w==
 
+"@types/hoist-non-react-statics@^3.3.0":
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/@types/hoist-non-react-statics/-/hoist-non-react-statics-3.3.1.tgz#1124aafe5118cb591977aeb1ceaaed1070eb039f"
+  integrity sha512-iMIqiko6ooLrTh1joXodJK5X9xeEALT1kM5G3ZLhD3hszxBdIEd5C75U834D9mLcINgD4OyZf5uQXjkuYydWvA==
+  dependencies:
+    "@types/react" "*"
+    hoist-non-react-statics "^3.3.0"
+
 "@types/json-schema@^7.0.3", "@types/json-schema@^7.0.4":
   version "7.0.5"
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.5.tgz#dcce4430e64b443ba8945f0290fb564ad5bac6dd"
@@ -1188,6 +1196,16 @@
   dependencies:
     "@types/react" "*"
 
+"@types/react-redux@^7.1.9":
+  version "7.1.9"
+  resolved "https://registry.yarnpkg.com/@types/react-redux/-/react-redux-7.1.9.tgz#280c13565c9f13ceb727ec21e767abe0e9b4aec3"
+  integrity sha512-mpC0jqxhP4mhmOl3P4ipRsgTgbNofMRXJb08Ms6gekViLj61v1hOZEKWDCyWsdONr6EjEA6ZHXC446wdywDe0w==
+  dependencies:
+    "@types/hoist-non-react-statics" "^3.3.0"
+    "@types/react" "*"
+    hoist-non-react-statics "^3.3.0"
+    redux "^4.0.0"
+
 "@types/react-router-dom@^5.1.5":
   version "5.1.5"
   resolved "https://registry.yarnpkg.com/@types/react-router-dom/-/react-router-dom-5.1.5.tgz#7c334a2ea785dbad2b2dcdd83d2cf3d9973da090"
@@ -1220,6 +1238,13 @@
     "@types/prop-types" "*"
     csstype "^2.2.0"
 
+"@types/redux@^3.6.0":
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/@types/redux/-/redux-3.6.0.tgz#f1ebe1e5411518072e4fdfca5c76e16e74c1399a"
+  integrity sha1-8evh5UEVGAcuT9/KXHbhbnTBOZo=
+  dependencies:
+    redux "*"
+
 "@types/source-list-map@*":
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/@types/source-list-map/-/source-list-map-0.1.2.tgz#0078836063ffaf17412349bba364087e0ac02ec9"
@@ -4293,7 +4318,7 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
-hoist-non-react-statics@^3.1.0, hoist-non-react-statics@^3.3.2:
+hoist-non-react-statics@^3.1.0, hoist-non-react-statics@^3.3.0, hoist-non-react-statics@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz#ece0acaf71d62c2969c2ec59feff42a4b1a85b45"
   integrity sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==
@@ -7298,11 +7323,22 @@ react-error-overlay@^6.0.7:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.7.tgz#1dcfb459ab671d53f660a991513cb2f0a0553108"
   integrity sha512-TAv1KJFh3RhqxNvhzxj6LeT5NWklP6rDr2a0jaTfsZ5wSZWHOGeqQyejUp3xxLfPt2UpyJEcVQB/zyPcmonNFA==
 
-react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.0, react-is@^16.8.1:
+react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.0, react-is@^16.8.1, react-is@^16.9.0:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
+react-redux@^7.2.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-7.2.0.tgz#f970f62192b3981642fec46fd0db18a074fe879d"
+  integrity sha512-EvCAZYGfOLqwV7gh849xy9/pt55rJXPwmYvI4lilPM5rUT/1NxuuN59ipdBksRVSvz0KInbPnp4IfoXJXCqiDA==
+  dependencies:
+    "@babel/runtime" "^7.5.5"
+    hoist-non-react-statics "^3.3.0"
+    loose-envify "^1.4.0"
+    prop-types "^15.7.2"
+    react-is "^16.9.0"
+
 react-router-dom@^5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/react-router-dom/-/react-router-dom-5.2.0.tgz#9e65a4d0c45e13289e66c7b17c7e175d0ea15662"
@@ -7421,6 +7457,19 @@ redent@^1.0.0:
     indent-string "^2.1.0"
     strip-indent "^1.0.1"
 
+redux-devtools-extension@^2.13.8:
+  version "2.13.8"
+  resolved "https://registry.yarnpkg.com/redux-devtools-extension/-/redux-devtools-extension-2.13.8.tgz#37b982688626e5e4993ff87220c9bbb7cd2d96e1"
+  integrity sha512-8qlpooP2QqPtZHQZRhx3x3OP5skEV1py/zUdMY28WNAocbafxdG2tRD1MWE7sp8obGMNYuLWanhhQ7EQvT1FBg==
+
+redux@*, redux@^4.0.0, redux@^4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/redux/-/redux-4.0.5.tgz#4db5de5816e17891de8a80c424232d06f051d93f"
+  integrity sha512-VSz1uMAH24DM6MF72vcojpYPtrTUu3ByVWfPL1nPfVRb5mZVTve5GnNCUV53QM/BZ66xfWrm0CTWoM+Xlz8V1w==
+  dependencies:
+    loose-envify "^1.4.0"
+    symbol-observable "^1.2.0"
+
 regenerate-unicode-properties@^8.2.0:
   version "8.2.0"
   resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.2.0.tgz#e5de7111d655e7ba60c057dbe9ff37c87e65cdec"
@@ -8405,6 +8454,11 @@ svgo@^1.0.0:
     unquote "~1.1.1"
     util.promisify "~1.0.0"
 
+symbol-observable@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
+  integrity sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ==
+
 tapable@^1.0.0, tapable@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"