diff --git a/resources/sql/patches/064.subporjects.sql b/resources/sql/patches/064.subporjects.sql
new file mode 100644
index 0000000000..379e1bdc77
--- /dev/null
+++ b/resources/sql/patches/064.subporjects.sql
@@ -0,0 +1,11 @@
+ALTER TABLE phabricator_project.project
+  ADD subprojectPHIDs longblob NOT NULL;
+UPDATE phabricator_project.project
+  SET subprojectPHIDs = '[]';
+  
+CREATE TABLE phabricator_project.project_subproject (
+  projectPHID varchar(64) BINARY NOT NULL,
+  subprojectPHID varchar(64) BINARY NOT NULL,
+  PRIMARY KEY (subprojectPHID, projectPHID),
+  UNIQUE KEY (projectPHID, subprojectPHID)
+);
\ No newline at end of file
diff --git a/src/applications/project/controller/list/PhabricatorProjectListController.php b/src/applications/project/controller/list/PhabricatorProjectListController.php
index 05faacf307..25eaf353c7 100644
--- a/src/applications/project/controller/list/PhabricatorProjectListController.php
+++ b/src/applications/project/controller/list/PhabricatorProjectListController.php
@@ -43,8 +43,6 @@ class PhabricatorProjectListController
     $handles = id(new PhabricatorObjectHandleData($author_phids))
       ->loadHandles();
 
-    $project_phids = mpull($projects, 'getPHID');
-
     $query = id(new ManiphestTaskQuery())
       ->withProjects($project_phids)
       ->withAnyProject(true)
diff --git a/src/applications/project/controller/profile/PhabricatorProjectProfileController.php b/src/applications/project/controller/profile/PhabricatorProjectProfileController.php
index 01d336326c..ed5ac31534 100644
--- a/src/applications/project/controller/profile/PhabricatorProjectProfileController.php
+++ b/src/applications/project/controller/profile/PhabricatorProjectProfileController.php
@@ -58,12 +58,12 @@ class PhabricatorProjectProfileController
       'statistics'   => 'Statistics',
       '<hr />', */
       '<h2>Information</h2>',
-      'edit'         => 'Edit Profile',
+      'edit'         => 'Edit Project',
       'affiliation'  => 'Edit Affiliation',
     );
 
     if (empty($pages[$this->page])) {
-      $this->page = 'action';   // key($pages);
+      $this->page = 'action';
     }
 
     switch ($this->page) {
@@ -106,6 +106,9 @@ class PhabricatorProjectProfileController
         ));
   }
 
+  //----------------------------------------------------------------------------
+  // Helper functions
+
   private function renderBasicInformation($project, $profile) {
     $blurb = nonempty(
        $profile->getBlurb(),
@@ -118,7 +121,10 @@ class PhabricatorProjectProfileController
 
     $phids = array_merge(
       array($project->getAuthorPHID()),
-      mpull($affiliations, 'getUserPHID'));
+      $project->getSubprojectPHIDs(),
+      mpull($affiliations, 'getUserPHID')
+    );
+    $phids = array_unique($phids);
     $handles = id(new PhabricatorObjectHandleData($phids))
       ->loadHandles();
 
@@ -134,12 +140,24 @@ class PhabricatorProjectProfileController
 
       $affiliated[] = '<li>'.$user.' &mdash; '.$role.$status.'</li>';
     }
+
     if ($affiliated) {
       $affiliated = '<ul>'.implode("\n", $affiliated).'</ul>';
     } else {
       $affiliated = '<p><em>No one is affiliated with this project.</em></p>';
     }
 
+    if ($project->getSubprojectPHIDs()) {
+      $table = $this->renderSubprojectTable(
+        $handles,
+        $project->getSubprojectPHIDs());
+      $subproject_list = $table->render();
+    } else {
+      $subproject_list =
+        '<p><em>There are no projects attached for such specie.</em></p>';
+    }
+
+
     $timestamp = phabricator_format_timestamp($project->getDateCreated());
     $status = PhabricatorProjectStatus::getNameForStatus(
       $project->getStatus());
@@ -174,12 +192,19 @@ class PhabricatorProjectProfileController
       </div>';
 
     $content .=
-      '<div class="phabricator-profile-info-group">
-        <h1 class="phabricator-profile-info-header">Resources</h1>
-        <div class="phabricator-profile-info-pane">'.
+      '<div class="phabricator-profile-info-group">'.
+        '<h1 class="phabricator-profile-info-header">Resources</h1>'.
+        '<div class="phabricator-profile-info-pane">'.
          $affiliated.
-        '</div>
-      </div>';
+        '</div>'.
+      '</div>';
+
+    $content .= '<div class="phabricator-profile-info-group">'.
+      '<h1 class="phabricator-profile-info-header">Subprojects</h1>'.
+      '<div class="phabricator-profile-info-pane">'.
+        $subproject_list.
+        '</div>'.
+      '</div>';
 
     $query = id(new ManiphestTaskQuery())
       ->withProjects(array($project->getPHID()))
@@ -234,4 +259,39 @@ class PhabricatorProjectProfileController
 
     return $content;
   }
+
+  private function renderSubprojectTable(
+    PhabricatorObjectHandleData $handles,
+    $subprojects_phids) {
+
+    $rows = array();
+    foreach ($subprojects_phids as $subproject_phid) {
+      $phid = $handles[$subproject_phid]->getPHID();
+
+      $rows[] = array(
+        phutil_escape_html($handles[$phid]->getFullName()),
+        phutil_render_tag(
+          'a',
+          array(
+            'class' => 'small grey button',
+            'href' => $handles[$phid]->getURI(),
+          ),
+          'View Project Profile'),
+      );
+    }
+
+    $table = new AphrontTableView($rows);
+     $table->setHeaders(
+       array(
+         'Name',
+         '',
+       ));
+     $table->setColumnClasses(
+       array(
+         'pri',
+         'action right',
+       ));
+
+    return $table;
+  }
 }
diff --git a/src/applications/project/controller/profile/__init__.php b/src/applications/project/controller/profile/__init__.php
index 0a31f17672..b9241382bc 100644
--- a/src/applications/project/controller/profile/__init__.php
+++ b/src/applications/project/controller/profile/__init__.php
@@ -16,6 +16,7 @@ phutil_require_module('phabricator', 'applications/project/constants/status');
 phutil_require_module('phabricator', 'applications/project/controller/base');
 phutil_require_module('phabricator', 'applications/project/storage/profile');
 phutil_require_module('phabricator', 'applications/project/storage/project');
+phutil_require_module('phabricator', 'view/control/table');
 phutil_require_module('phabricator', 'view/layout/profile');
 phutil_require_module('phabricator', 'view/utils');
 
diff --git a/src/applications/project/controller/profileedit/PhabricatorProjectProfileEditController.php b/src/applications/project/controller/profileedit/PhabricatorProjectProfileEditController.php
index 55b0c1c218..ae9710eca2 100644
--- a/src/applications/project/controller/profileedit/PhabricatorProjectProfileEditController.php
+++ b/src/applications/project/controller/profileedit/PhabricatorProjectProfileEditController.php
@@ -38,6 +38,15 @@ class PhabricatorProjectProfileEditController
       $profile = new PhabricatorProjectProfile();
     }
 
+    if ($project->getSubprojectPHIDs()) {
+      $phids = $project->getSubprojectPHIDs();
+      $handles = id(new PhabricatorObjectHandleData($phids))
+        ->loadHandles();
+      $subprojects = mpull($handles, 'getFullName', 'getPHID');
+    } else {
+      $subprojects = array();
+    }
+
     $options = PhabricatorProjectStatus::getStatusMap();
 
     $e_name = true;
@@ -45,6 +54,7 @@ class PhabricatorProjectProfileEditController
     if ($request->isFormPost()) {
       $project->setName($request->getStr('name'));
       $project->setStatus($request->getStr('status'));
+      $project->setSubprojectPHIDs($request->getArr('set_subprojects'));
       $profile->setBlurb($request->getStr('blurb'));
 
       if (!strlen($project->getName())) {
@@ -121,6 +131,12 @@ class PhabricatorProjectProfileEditController
           ->setLabel('Blurb')
           ->setName('blurb')
           ->setValue($profile->getBlurb()))
+      ->appendChild(
+        id(new AphrontFormTokenizerControl())
+          ->setDatasource('/typeahead/common/projects/')
+          ->setLabel('Subprojects')
+          ->setName('set_subprojects')
+          ->setValue($subprojects))
       ->appendChild(
         id(new AphrontFormFileControl())
           ->setLabel('Change Image')
@@ -132,7 +148,7 @@ class PhabricatorProjectProfileEditController
 
     $panel = new AphrontPanelView();
     $panel->setHeader($header_name);
-    $panel->setWidth(AphrontPanelView::WIDTH_FORM);
+    $panel->setWidth(AphrontPanelView::WIDTH_WIDE);
     $panel->appendChild($form);
 
     return $this->buildStandardPageResponse(
diff --git a/src/applications/project/controller/profileedit/__init__.php b/src/applications/project/controller/profileedit/__init__.php
index a03f8883d2..46a80365db 100644
--- a/src/applications/project/controller/profileedit/__init__.php
+++ b/src/applications/project/controller/profileedit/__init__.php
@@ -10,6 +10,7 @@ phutil_require_module('phabricator', 'aphront/response/404');
 phutil_require_module('phabricator', 'aphront/response/redirect');
 phutil_require_module('phabricator', 'applications/files/storage/file');
 phutil_require_module('phabricator', 'applications/files/transform');
+phutil_require_module('phabricator', 'applications/phid/handle/data');
 phutil_require_module('phabricator', 'applications/project/constants/status');
 phutil_require_module('phabricator', 'applications/project/controller/base');
 phutil_require_module('phabricator', 'applications/project/storage/profile');
@@ -20,6 +21,7 @@ phutil_require_module('phabricator', 'view/form/control/select');
 phutil_require_module('phabricator', 'view/form/control/submit');
 phutil_require_module('phabricator', 'view/form/control/text');
 phutil_require_module('phabricator', 'view/form/control/textarea');
+phutil_require_module('phabricator', 'view/form/control/tokenizer');
 phutil_require_module('phabricator', 'view/form/error');
 phutil_require_module('phabricator', 'view/layout/panel');
 
diff --git a/src/applications/project/storage/project/PhabricatorProject.php b/src/applications/project/storage/project/PhabricatorProject.php
index d9da01e716..4558eb5723 100644
--- a/src/applications/project/storage/project/PhabricatorProject.php
+++ b/src/applications/project/storage/project/PhabricatorProject.php
@@ -22,10 +22,16 @@ class PhabricatorProject extends PhabricatorProjectDAO {
   protected $phid;
   protected $status = PhabricatorProjectStatus::UNKNOWN;
   protected $authorPHID;
+  protected $subprojectPHIDs = array();
+
+  private $subprojectsNeedUpdate;
 
   public function getConfiguration() {
     return array(
       self::CONFIG_AUX_PHID => true,
+      self::CONFIG_SERIALIZATION => array(
+        'subprojectPHIDs' => self::SERIALIZATION_JSON,
+      ),
     ) + parent::getConfiguration();
   }
 
@@ -34,6 +40,12 @@ class PhabricatorProject extends PhabricatorProjectDAO {
       PhabricatorPHIDConstants::PHID_TYPE_PROJ);
   }
 
+  public function setSubprojectPHIDs(array $phids) {
+    $this->subprojectPHIDs = $phids;
+    $this->subprojectsNeedUpdate = true;
+    return $this;
+  }
+
   public function loadProfile() {
     $profile = id(new PhabricatorProjectProfile())->loadOneWhere(
       'projectPHID = %s',
@@ -46,4 +58,18 @@ class PhabricatorProject extends PhabricatorProjectDAO {
       array($this->getPHID()));
     return $affils[$this->getPHID()];
   }
+
+  public function save() {
+    $result = parent::save();
+
+    if ($this->subprojectsNeedUpdate) {
+      // If we've changed the project PHIDs for this task, update the link
+      // table.
+      PhabricatorProjectSubproject::updateProjectSubproject($this);
+      $this->subprojectsNeedUpdate = false;
+    }
+
+    return $result;
+  }
+
 }
diff --git a/src/applications/project/storage/project/__init__.php b/src/applications/project/storage/project/__init__.php
index bc7599691d..12477e8dc7 100644
--- a/src/applications/project/storage/project/__init__.php
+++ b/src/applications/project/storage/project/__init__.php
@@ -12,6 +12,7 @@ phutil_require_module('phabricator', 'applications/project/constants/status');
 phutil_require_module('phabricator', 'applications/project/storage/affiliation');
 phutil_require_module('phabricator', 'applications/project/storage/base');
 phutil_require_module('phabricator', 'applications/project/storage/profile');
+phutil_require_module('phabricator', 'applications/project/storage/subproject');
 
 phutil_require_module('phutil', 'utils');
 
diff --git a/src/applications/project/storage/subproject/PhabricatorProjectSubproject.php b/src/applications/project/storage/subproject/PhabricatorProjectSubproject.php
new file mode 100644
index 0000000000..43832e7275
--- /dev/null
+++ b/src/applications/project/storage/subproject/PhabricatorProjectSubproject.php
@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * This is a DAO for the Task -> Project table, which denormalizes the
+ * relationship between tasks and projects into a link table so it can be
+ * efficiently queried. This table is not authoritative; the projectPHIDs field
+ * of ManiphestTask is. The rows in this table are regenerated when transactions
+ * are applied to tasks which affected their associated projects.
+ *
+ * @group maniphest
+ */
+final class PhabricatorProjectSubproject extends PhabricatorProjectDAO {
+
+  protected $projectPHID;
+  protected $subprojectPHID;
+
+  public function getConfiguration() {
+    return array(
+      self::CONFIG_IDS          => self::IDS_MANUAL,
+      self::CONFIG_TIMESTAMPS   => false,
+    );
+  }
+
+  public static function updateProjectSubproject(PhabricatorProject $project) {
+    $dao = new PhabricatorProjectSubproject();
+    $conn = $dao->establishConnection('w');
+
+    $sql = array();
+    foreach ($project->getSubprojectPHIDs() as $subproject_phid) {
+      $sql[] = qsprintf(
+        $conn,
+        '(%s, %s)',
+        $project->getPHID(),
+        $subproject_phid);
+    }
+
+    queryfx(
+      $conn,
+      'DELETE FROM %T WHERE projectPHID = %s',
+      $dao->getTableName(),
+      $project->getPHID());
+    if ($sql) {
+      queryfx(
+        $conn,
+        'INSERT INTO %T (projectPHID, subprojectPHID) VALUES %Q',
+        $dao->getTableName(),
+        implode(', ', $sql));
+    }
+  }
+
+}
diff --git a/src/applications/project/storage/subproject/__init__.php b/src/applications/project/storage/subproject/__init__.php
new file mode 100644
index 0000000000..cffb2495f9
--- /dev/null
+++ b/src/applications/project/storage/subproject/__init__.php
@@ -0,0 +1,14 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'applications/project/storage/base');
+phutil_require_module('phabricator', 'storage/qsprintf');
+phutil_require_module('phabricator', 'storage/queryfx');
+
+
+phutil_require_source('PhabricatorProjectSubproject.php');
\ No newline at end of file