diff --git a/application/controllers/UserController.php b/application/controllers/UserController.php
index 217859574..3fe3dd604 100644
--- a/application/controllers/UserController.php
+++ b/application/controllers/UserController.php
@@ -7,7 +7,10 @@ use Icinga\Application\Config;
 use Icinga\Application\Logger;
 use Icinga\Authentication\User\UserBackend;
 use Icinga\Authentication\User\UserBackendInterface;
+use Icinga\Authentication\UserGroup\UserGroupBackend;
 use Icinga\Forms\Config\UserForm;
+use Icinga\Data\DataArray\ArrayDatasource;
+use Icinga\User;
 use Icinga\Web\Controller;
 use Icinga\Web\Form;
 use Icinga\Web\Notification;
@@ -114,8 +117,53 @@ class UserController extends Controller
             $this->httpNotFound(sprintf($this->translate('User "%s" not found'), $userName));
         }
 
+        $memberships = $this->loadMemberships(new User($userName))->select();
+
+        $filterEditor = Widget::create('filterEditor')
+            ->setQuery($memberships)
+            ->preserveParams('limit', 'sort', 'dir', 'view', 'backend', 'user')
+            ->ignoreParams('page')
+            ->handleRequest($this->getRequest());
+        $memberships->applyFilter($filterEditor->getFilter());
+
+        $this->setupFilterControl($filterEditor);
+        $this->setupPaginationControl($memberships);
+        $this->setupLimitControl();
+        $this->setupSortControl(
+            array(
+                'group_name' => $this->translate('Group')
+            ),
+            $memberships
+        );
+
         $this->view->user = $user;
         $this->view->backend = $backend;
+        $this->view->memberships = $memberships;
+
+        $removeForm = new Form();
+        $removeForm->setUidDisabled();
+        $removeForm->addElement('hidden', 'user_name', array(
+            'isArray'       => true,
+            'value'         => $userName,
+            'decorators'    => array('ViewHelper')
+        ));
+        $removeForm->addElement('hidden', 'redirect', array(
+            'value'         => Url::fromPath('user/show', array(
+                'backend'   => $backend->getName(),
+                'user'      => $userName
+            )),
+            'decorators'    => array('ViewHelper')
+        ));
+        $removeForm->addElement('button', 'btn_submit', array(
+            'escape'        => false,
+            'type'          => 'submit',
+            'class'         => 'link-like',
+            'value'         => 'btn_submit',
+            'decorators'    => array('ViewHelper'),
+            'label'         => $this->view->icon('trash'),
+            'title'         => $this->translate('Cancel this membership')
+        ));
+        $this->view->removeForm = $removeForm;
     }
 
     /**
@@ -176,6 +224,29 @@ class UserController extends Controller
         $this->render('form');
     }
 
+    /**
+     * Fetch and return the given user's groups from all user group backends
+     *
+     * @param   User    $user
+     *
+     * @return  ArrayDatasource
+     */
+    protected function loadMemberships(User $user)
+    {
+        $groups = array();
+        foreach (Config::app('groups') as $backendName => $backendConfig) {
+            $backend = UserGroupBackend::create($backendName, $backendConfig);
+            foreach ($backend->getMemberships($user) as $groupName) {
+                $groups[] = (object) array(
+                    'group_name'    => $groupName,
+                    'backend'       => $backend
+                );
+            }
+        }
+
+        return new ArrayDatasource($groups);
+    }
+
     /**
      * Return all user backends implementing the given interface
      *
diff --git a/application/views/scripts/user/show.phtml b/application/views/scripts/user/show.phtml
index 00b242512..cd8801b1a 100644
--- a/application/views/scripts/user/show.phtml
+++ b/application/views/scripts/user/show.phtml
@@ -1,6 +1,7 @@
-<?php 
+<?php
 
 use Icinga\Data\Updatable;
+use Icinga\Data\Reducible;
 
 $editLink = null;
 if ($backend instanceof Updatable) {
@@ -21,15 +22,64 @@ if ($backend instanceof Updatable) {
 
 ?>
 <div class="controls">
-  <?php if (! $this->compact): ?>
-    <?= $tabs->showOnlyCloseButton(); ?>
-  <?php endif ?>
+ <?php if (! $this->compact): ?>
+   <?= $tabs->showOnlyCloseButton(); ?>
+ <?php endif ?>
   <div class="user-header">
     <p class="user-name"><strong><?= $this->escape($user->user_name); ?></strong></p> <?= $editLink; ?>
     <p class="user-state"><strong><?= $this->translate('State'); ?>:</strong> <?= $user->is_active ? $this->translate('Active') : $this->translate('Inactive'); ?></p>
     <p class="user-created"><strong><?= $this->translate('Created at'); ?>:</strong> <?= $user->created_at === null ? '-' : $this->formatDateTime($user->created_at); ?></p>
     <p class="user-modified"><strong><?= $this->translate('Last modified'); ?>:</strong> <?= $user->last_modified === null ? '-' : $this->formatDateTime($user->last_modified); ?></p>
   </div>
+ <?php if (! $this->compact): ?>
+  <?= $this->sortBox; ?>
+ <?php endif ?>
+  <?= $this->limiter; ?>
+  <?= $this->paginator; ?>
+ <?php if (! $this->compact): ?>
+  <?= $this->filterEditor; ?>
+ <?php endif ?>
 </div>
-<div class="content" data-base-target="_next">
+<div class="content memberships" data-base-target="_next">
+<?php if (count($memberships) > 0): ?>
+  <table data-base-target="_next" class="action membership-list">
+    <thead>
+      <tr>
+        <th class="membership-group"><?= $this->translate('Group'); ?></th>
+        <th class="membership-cancel"><?= $this->translate('Cancel', 'group.membership'); ?></th>
+      </tr>
+    </thead>
+    <tbody>
+    <?php foreach ($memberships as $membership): ?>
+      <tr>
+        <td class="membership-group"><?= $this->qlink($membership->group_name, 'group/show', array(
+          'backend' => $membership->backend->getName(),
+          'group'   => $membership->group_name
+        ), array(
+          'title'   => sprintf($this->translate('Show detailed information for group %s'), $membership->group_name)
+        )); ?></td>
+        <td class="membership-cancel" data-base-target="_self">
+       <?php if ($membership->backend instanceof Reducible): ?>
+          <?= $removeForm->setAction($this->url('group/removemember', array(
+            'backend'   => $membership->backend->getName(),
+            'group'     => $membership->group_name
+          ))); ?>
+       <?php else: ?>
+          -
+       <?php endif ?>
+        </td>
+      </tr>
+    <?php endforeach ?>
+    </tbody>
+  </table>
+<?php else: ?>
+  <p><?= $this->translate('No memberships found matching the filter'); ?></p>
+<?php endif ?>
+<?= $this->qlink($this->translate('Create new membership'), 'user/createmembership', array(
+  'user'              => $user->user_name
+), array(
+  'icon'              => 'plus',
+  'data-base-target'  => '_next',
+  'class'             => 'membership-create'
+)); ?>
 </div>
\ No newline at end of file
diff --git a/public/css/icinga/main-content.less b/public/css/icinga/main-content.less
index 603466f67..4d5c4c896 100644
--- a/public/css/icinga/main-content.less
+++ b/public/css/icinga/main-content.less
@@ -228,6 +228,7 @@ div.content.users {
 
 div.controls div.user-header {
   border-bottom: 2px solid @colorPetrol;
+  margin-bottom: 1em;
 
   .user-name {
     display: inline-block;
@@ -241,6 +242,33 @@ div.controls div.user-header {
   }
 }
 
+div.content.memberships {
+  table.membership-list {
+    th.membership-cancel {
+      width: 8em;
+      padding-right: 0.5em;
+      text-align: right;
+    }
+
+    td.membership-cancel {
+      text-align: right;
+
+      form button.link-like {
+        color: inherit;
+      }
+    }
+  }
+
+  p {
+    margin-top: 0;
+  }
+
+  a.membership-create {
+    display: block;
+    margin-top: 1em;
+  }
+}
+
 div.content.groups {
   table.group-list {
     th.group-remove {