diff --git a/src/actions/SlackAuthAction.js b/src/actions/SlackAuthAction.js
deleted file mode 100644
index 1f6df76d..00000000
--- a/src/actions/SlackAuthAction.js
+++ /dev/null
@@ -1,30 +0,0 @@
-import makeActionCreator from '../utils/actions';
-import { replace } from 'react-router-redux';
-import { client } from 'utils/ApiClient';
-import auth from 'utils/auth';
-
-export const SLACK_AUTH_PENDING = 'SLACK_AUTH_PENDING';
-export const SLACK_AUTH_SUCCESS = 'SLACK_AUTH_SUCCESS';
-export const SLACK_AUTH_FAILURE = 'SLACK_AUTH_FAILURE';
-
-const slackAuthPending = makeActionCreator(SLACK_AUTH_PENDING);
-const slackAuthSuccess = makeActionCreator(SLACK_AUTH_SUCCESS, 'user', 'team');
-const slackAuthFailure = makeActionCreator(SLACK_AUTH_FAILURE, 'error');
-
-export function slackAuthAsync(code) {
-  return (dispatch) => {
-    dispatch(slackAuthPending());
-
-    client.post('/auth.slack', {
-      code: code,
-    })
-    .then(data => {
-      auth.setToken(data.data.accessToken);
-      dispatch(slackAuthSuccess(data.data.user, data.data.team));
-      dispatch(replace('/dashboard'));
-    })
-    .catch((err) => {
-      dispatch(push('/error'));
-    })
-  };
-};
\ No newline at end of file
diff --git a/src/actions/UserActions.js b/src/actions/UserActions.js
deleted file mode 100644
index 3f7ae360..00000000
--- a/src/actions/UserActions.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import { push } from 'react-router-redux';
-import auth from 'utils/auth';
-
-import makeActionCreator from '../utils/actions';
-
-export const UPDATE_USER = 'UPDATE_USER';
-
-export const updateUser = makeActionCreator(UPDATE_USER, 'user');
-
-export function logoutUser() {
-  return (dispatch) => {
-    auth.logout();
-    dispatch(push('/'));
-  };
-};
diff --git a/src/components/Layout/Layout.js b/src/components/Layout/Layout.js
index 5a5ed621..f8715d63 100644
--- a/src/components/Layout/Layout.js
+++ b/src/components/Layout/Layout.js
@@ -1,8 +1,8 @@
 import React from 'react';
-import { connect } from 'react-redux';
 import Link from 'react-router/lib/Link';
-import { bindActionCreators } from 'redux';
-import { logoutUser } from 'actions/UserActions';
+import { observe } from 'mobx';
+
+import store from 'stores/UserStore';
 
 import DropdownMenu, { MenuItem } from 'components/DropdownMenu';
 import Flex from 'components/Flex';
@@ -21,10 +21,6 @@ class Layout extends React.Component {
     loading: React.PropTypes.bool,
   }
 
-  onLogout = () => {
-    this.props.logoutUser();
-  }
-
   render() {
     return (
       <div className={ styles.container }>
@@ -33,7 +29,7 @@ class Layout extends React.Component {
         ) : null }
         <div className={ cx(styles.header, { fixed: this.props.fixed }) }>
           <div className={ styles.teamName }>
-            <Link to="/">{ this.props.teamName }</Link>
+            <Link to="/">{ store.team.name }</Link>
           </div>
           <Flex align="center" className={ styles.title }>
             { this.props.title }
@@ -47,10 +43,10 @@ class Layout extends React.Component {
               <Avatar
                 circle
                 size={24}
-                src={ this.props.avatarUrl }
+                src={ store.user.avatarUrl }
               />
             }>
-              <MenuItem onClick={ this.onLogout }>Logout</MenuItem>
+              <MenuItem onClick={ store.logout }>Logout</MenuItem>
             </DropdownMenu>
           </Flex>
         </div>
@@ -63,20 +59,4 @@ class Layout extends React.Component {
   }
 }
 
-const mapStateToProps = (state) => {
-  return {
-    teamName: state.team ? state.team.name : null,
-    avatarUrl: state.user ? state.user.avatarUrl : null,
-  }
-};
-
-const mapDispatchToProps = (dispatch) => {
-  return bindActionCreators({
-    logoutUser,
-  }, dispatch)
-}
-
-export default connect(
-  mapStateToProps,
-  mapDispatchToProps,
-)(Layout);
\ No newline at end of file
+export default Layout;
\ No newline at end of file
diff --git a/src/components/SlackAuthLink/SlackAuthLink.js b/src/components/SlackAuthLink/SlackAuthLink.js
index a61c4cf9..14d36b1d 100644
--- a/src/components/SlackAuthLink/SlackAuthLink.js
+++ b/src/components/SlackAuthLink/SlackAuthLink.js
@@ -1,16 +1,14 @@
 import React from 'react';
+import { observe } from 'mobx'
+import store from 'stores/UserStore';
 
 import styles from './SlackAuthLink.scss';
 
-export default class SlackAuthLink extends React.Component {
+class SlackAuthLink extends React.Component {
   static propTypes = {
     scopes: React.PropTypes.arrayOf(React.PropTypes.string),
   }
 
-  state = {
-    oauthState: Math.random().toString(36).substring(7),
-  }
-
   static defaultProps = {
     scopes: [
       'identity.email',
@@ -20,10 +18,6 @@ export default class SlackAuthLink extends React.Component {
     ]
   }
 
-  componentDidMount = () => {
-    localStorage.oauthState = this.state.oauthState;
-  }
-
   slackUrl = () => {
     const baseUrl = 'https://slack.com/oauth/authorize';
     const params = {
@@ -32,7 +26,7 @@ export default class SlackAuthLink extends React.Component {
       redirect_uri: __DEV__ ?
           'http://localhost:3000/auth/slack/' :
           'https://www.beautifulatlas.com/auth/slack/',
-      state: this.state.oauthState,
+      state: store.getOauthState(),
     };
 
     const urlParams = Object.keys(params).map(function(key) {
@@ -48,3 +42,5 @@ export default class SlackAuthLink extends React.Component {
     )
   }
 }
+
+export default SlackAuthLink;
diff --git a/src/index.js b/src/index.js
index 83e5d3fa..e7250722 100644
--- a/src/index.js
+++ b/src/index.js
@@ -6,7 +6,6 @@ import Route      from 'react-router/lib/Route';
 import IndexRoute from 'react-router/lib/IndexRoute';
 import { createStore, applyMiddleware } from 'redux';
 import { routerMiddleware } from 'react-router-redux';
-import { persistStore, autoRehydrate } from 'redux-persist';
 import thunkMiddleware from 'redux-thunk';
 import createLogger from 'redux-logger';
 import History from 'utils/History';
@@ -41,42 +40,34 @@ if (__DEV__) {
     thunkMiddleware,
     routerMiddlewareWithHistory,
     loggerMiddleware,
-  ), autoRehydrate());
+  ));
 } else {
   store = createStore(reducers, applyMiddleware(
     thunkMiddleware,
     routerMiddlewareWithHistory,
-  ), autoRehydrate());
+  ));
 }
 
+render((
+  <div style={{ display: 'flex', flex: 1, }}>
+    <Provider store={store}>
+      <Router history={History}>
+        <Route path="/" component={ Application }>
+          <IndexRoute component={Home} />
 
-persistStore(store, {
-  whitelist: [
-    'user',
-    'team',
-  ]
-}, () => {
-  render((
-    <div style={{ display: 'flex', flex: 1, }}>
-      <Provider store={store}>
-        <Router history={History}>
-          <Route path="/" component={ Application }>
-            <IndexRoute component={Home} />
+          <Route path="/dashboard" component={ Dashboard } onEnter={ requireAuth } />
+          <Route path="/atlas/:id" component={ Atlas } onEnter={ requireAuth } />
+          <Route path="/atlas/:id/new" component={ Editor } onEnter={ requireAuth } />
+          <Route path="/documents/:id" component={ DocumentScene } onEnter={ requireAuth } />
+          <Route path="/documents/:id/edit" component={ DocumentEdit } onEnter={ requireAuth } />
 
-            <Route path="/dashboard" component={ Dashboard } onEnter={ requireAuth } />
-            <Route path="/atlas/:id" component={ Atlas } onEnter={ requireAuth } />
-            <Route path="/atlas/:id/new" component={ Editor } onEnter={ requireAuth } />
-            <Route path="/documents/:id" component={ DocumentScene } onEnter={ requireAuth } />
-            <Route path="/documents/:id/edit" component={ DocumentEdit } onEnter={ requireAuth } />
-
-            <Route path="/auth/slack" component={SlackAuth} />
-          </Route>
-        </Router>
-      </Provider>
-      { __DEV__ ? <DevTools position={{ bottom: 0, right: 0 }} /> : null }
-    </div>
-  ), document.getElementById('root'));
-});
+          <Route path="/auth/slack" component={SlackAuth} />
+        </Route>
+      </Router>
+    </Provider>
+    { __DEV__ ? <DevTools position={{ bottom: 0, right: 0 }} /> : null }
+  </div>
+), document.getElementById('root'));
 
 function requireAuth(nextState, replace) {
   if (!auth.loggedIn()) {
diff --git a/src/reducers/index.js b/src/reducers/index.js
index 0fb0024b..4320ed5a 100644
--- a/src/reducers/index.js
+++ b/src/reducers/index.js
@@ -2,12 +2,8 @@ import { combineReducers } from 'redux';
 
 import atlases from './atlases';
 import document from './document';
-import team from './team';
-import user from './user';
 
 export default combineReducers({
   atlases,
   document,
-  team,
-  user,
 });
diff --git a/src/reducers/team.js b/src/reducers/team.js
deleted file mode 100644
index e86e78c3..00000000
--- a/src/reducers/team.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import { SLACK_AUTH_SUCCESS } from 'actions/SlackAuthAction';
-
-const team = (state = null, action) => {
-  switch (action.type) {
-    case SLACK_AUTH_SUCCESS: {
-        return {
-          ...action.team,
-        };
-      }
-    default:
-      return state;
-  }
-};
-
-export default team;
\ No newline at end of file
diff --git a/src/reducers/user.js b/src/reducers/user.js
deleted file mode 100644
index 406d656b..00000000
--- a/src/reducers/user.js
+++ /dev/null
@@ -1,15 +0,0 @@
-import { SLACK_AUTH_SUCCESS } from 'actions/SlackAuthAction';
-
-const user = (state = null, action) => {
-  switch (action.type) {
-    case SLACK_AUTH_SUCCESS: {
-      return {
-        ...action.user,
-      };
-    }
-    default:
-      return state;
-  }
-};
-
-export default user;
\ No newline at end of file
diff --git a/src/scenes/DocumentEdit/DocumentEditState.js b/src/scenes/DocumentEdit/DocumentEditState.js
index 351872c4..55300d29 100644
--- a/src/scenes/DocumentEdit/DocumentEditState.js
+++ b/src/scenes/DocumentEdit/DocumentEditState.js
@@ -88,7 +88,7 @@ const documentEditState = new class DocumentEditState {
     }
 
     constructor() {
-      // Rehydrate
+      // Rehydrate syncronously
       localforage.getItem(DOCUMENT_EDIT_SETTINGS)
       .then(data => {
         this.preview = data.preview;
diff --git a/src/scenes/Home/Home.js b/src/scenes/Home/Home.js
index 016113f8..7b2c649c 100644
--- a/src/scenes/Home/Home.js
+++ b/src/scenes/Home/Home.js
@@ -1,22 +1,15 @@
 import React from 'react';
-import { connect } from 'react-redux';
-import { bindActionCreators } from 'redux';
-import { replace } from 'react-router-redux';
-
-import auth from '../../utils/auth';
+import store from 'stores/UserStore';
+import { browserHistory } from 'react-router'
 
 import SlackAuthLink from '../../components/SlackAuthLink';
 
 import styles from './Home.scss';
 
-class Home extends React.Component {
-  static propTypes = {
-    replace: React.PropTypes.func.isRequired,
-  }
-
+export default class Home extends React.Component {
   componentDidMount = () => {
-    if (auth.loggedIn()) {
-      this.props.replace('/dashboard');
+    if (store.authenticated) {
+      browserHistory.replace('/dashboard');
     }
   }
 
@@ -53,11 +46,3 @@ class Home extends React.Component {
     );
   }
 }
-
-const mapDispatchToProps = (dispatch) => {
-  return bindActionCreators({ replace }, dispatch)
-}
-
-export default connect(
-  null, mapDispatchToProps
-)(Home);
\ No newline at end of file
diff --git a/src/scenes/SlackAuth/SlackAuth.js b/src/scenes/SlackAuth/SlackAuth.js
index 410ef847..ffb6dbf4 100644
--- a/src/scenes/SlackAuth/SlackAuth.js
+++ b/src/scenes/SlackAuth/SlackAuth.js
@@ -1,21 +1,10 @@
 import React from 'react';
-import { connect } from 'react-redux';
-import { bindActionCreators } from 'redux';
+import store from 'stores/UserStore';
 
-import { slackAuthAsync } from '../../actions/SlackAuthAction';
-
-import { client } from '../../utils/ApiClient';
-
-class SlackAuth extends React.Component {
+export default class SlackAuth extends React.Component {
   componentDidMount = () => {
-    const { query } = this.props.location
-
-    // Validate OAuth2 state param
-    if (localStorage.oauthState != query.state) {
-      return;
-    }
-
-    this.props.slackAuthAsync(query.code);
+    const { code, state } = this.props.location.query;
+    store.authWithSlack(code, state);
   }
 
   render() {
@@ -24,12 +13,3 @@ class SlackAuth extends React.Component {
     );
   }
 }
-
-const mapDispactcToProps = (dispatch) => {
-  return bindActionCreators({ slackAuthAsync }, dispatch);
-};
-
-export default connect(
-  null,
-  mapDispactcToProps
-)(SlackAuth);
\ No newline at end of file
diff --git a/src/stores/UserStore.js b/src/stores/UserStore.js
new file mode 100644
index 00000000..fd73bdb5
--- /dev/null
+++ b/src/stores/UserStore.js
@@ -0,0 +1,82 @@
+import { observable, action, computed, autorun } from 'mobx';
+import { browserHistory } from 'react-router';
+import { client } from 'utils/ApiClient';
+import localforage from 'localforage';
+
+const USER_STORE = 'USER_STORE';
+
+const store = new class UserStore {
+  @observable user;
+  @observable team;
+
+  @observable token;
+  @observable oauthState;
+
+  @observable isLoading;
+
+  /* Computed */
+
+  @computed get authenticated() {
+    return !!this.token;
+  }
+
+  @computed get asJson() {
+    return JSON.stringify({
+      user: this.user,
+      team: this.team,
+      token: this.token,
+      oauthState: this.oauthState,
+    });
+  }
+
+  /* Actions */
+
+  @action logout = () => {
+    this.user = null;
+    this.token = null;
+    browserHistory.push('/');
+  };
+
+  @action getOauthState = () => {
+    const state = Math.random().toString(36).substring(7);
+    this.oauthState = state;
+    return this.oauthState;
+  }
+
+  @action authWithSlack = async (code, state) => {
+    if (state !== this.oauthState) {
+      browserHistory.push('/auth-error');
+      return;
+    }
+
+    let res;
+    try {
+      res = await client.post('/auth.slack', { code: code });
+    } catch (e) {
+      browserHistory.push('/auth-error');
+      return;
+    }
+
+    this.user = res.data.user;
+    this.team = res.data.team;
+    this.token = res.data.accessToken;
+    browserHistory.replace('/dashboard');
+  }
+
+  constructor() {
+    // Rehydrate
+    const data = JSON.parse(localStorage.getItem(USER_STORE)) || {};
+    this.user = data.user;
+    this.team = data.team;
+    this.token = data.token;
+    this.oauthState = data.oauthState;
+  }
+}();
+
+// Persist store to localStorage
+autorun(() => {
+  localStorage.setItem(USER_STORE, store.asJson);
+});
+
+
+export default store;
diff --git a/src/utils/ApiClient.js b/src/utils/ApiClient.js
index c412e32c..dcfcaec8 100644
--- a/src/utils/ApiClient.js
+++ b/src/utils/ApiClient.js
@@ -1,6 +1,6 @@
 import _map from 'lodash/map';
+import store from 'stores/UserStore';
 
-import auth from './auth';
 import constants from '../constants';
 
 class ApiClient {
@@ -25,8 +25,8 @@ class ApiClient {
       'Content-Type': 'application/json',
       'User-Agent': this.userAgent,
     });
-    if (auth.getToken()) {
-      headers.set('Authorization', `Bearer ${auth.getToken()}`);
+    if (store.authenticated) {
+      headers.set('Authorization', `Bearer ${store.token}`);
     }
 
     // Construct request
@@ -48,7 +48,7 @@ class ApiClient {
 
         // Handle 401, log out user
         if (response.status === 401) {
-          auth.logout(); // replace with dispatch+action
+          store.logout();
         }
 
         // Handle failed responses