diff --git a/lms/djangoapps/django_comment_client/base/views.py b/lms/djangoapps/django_comment_client/base/views.py
index 038a6071d8..72f051c945 100644
--- a/lms/djangoapps/django_comment_client/base/views.py
+++ b/lms/djangoapps/django_comment_client/base/views.py
@@ -65,9 +65,9 @@ def create_thread(request, course_id, commentable_id):
         }
         html = render_to_string('discussion/ajax_create_thread.html', context)
         annotated_content_info = utils.get_annotated_content_info(course_id, 
-                                                            thread.to_dict(), 
-                                                            request.user, 
-                                                            'thread')
+                                                                  thread.to_dict(), 
+                                                                  request.user, 
+                                                                  'thread')
         return JsonResponse({
             'html': html,
             'content': thread.to_dict(),
diff --git a/lms/djangoapps/django_comment_client/forum/views.py b/lms/djangoapps/django_comment_client/forum/views.py
index 6217de63e2..79f6aa3931 100644
--- a/lms/djangoapps/django_comment_client/forum/views.py
+++ b/lms/djangoapps/django_comment_client/forum/views.py
@@ -41,24 +41,35 @@ def render_accordion(request, course, discussion_id):
 
     return render_to_string('discussion/_accordion.html', context)
 
-def render_discussion(request, course_id, threads, discussion_id=None, \
-                      discussion_type='inline', query_params={}):
+def render_discussion(request, course_id, threads, *args, **kwargs):
+
+    discussion_id = kwargs.get('discussion_id')
+    user_id = kwargs.get('user_id')
+    discussion_type = kwargs.get('discussion_type', 'inline')
+    query_params = kwargs.get('query_params', {})
 
     template = {
         'inline': 'discussion/_inline.html',
         'forum': 'discussion/_forum.html',
+        'user': 'discussion/_user_active_threads.html',
     }[discussion_type]
 
     base_url = {
         'inline': (lambda: reverse('django_comment_client.forum.views.inline_discussion', args=[course_id, discussion_id])), 
         'forum': (lambda: reverse('django_comment_client.forum.views.forum_form_discussion', args=[course_id, discussion_id])),
+        'user': (lambda: reverse('django_comment_client.forum.views.user_profile', args=[course_id, user_id])),
     }[discussion_type]()
 
-    annotated_content_info = {thread['id']: utils.get_annotated_content_info(course_id, thread, request.user, type='thread') for thread in threads}
+    print "start annotating"
+    annotated_content_infos = map(lambda x: utils.get_annotated_content_infos(course_id, x, request.user, type='thread'), threads)
+    print "start merging annotations"
+    annotated_content_info = reduce(utils.merge_dict, annotated_content_infos, {})
+    print "finished annotating"
 
     context = {
         'threads': threads,
         'discussion_id': discussion_id,
+        'user_id': user_id,
         'user_info': json.dumps(cc.User.from_django_user(request.user).to_dict()),
         'course_id': course_id,
         'request': request,
@@ -78,6 +89,9 @@ def render_inline_discussion(*args, **kwargs):
 def render_forum_discussion(*args, **kwargs):
     return render_discussion(discussion_type='forum', *args, **kwargs)
 
+def render_user_discussion(*args, **kwargs):
+    return render_discussion(discussion_type='user', *args, **kwargs)
+
 def get_threads(request, course_id, discussion_id):
     query_params = {
         'page': request.GET.get('page', 1),
@@ -150,7 +164,7 @@ def render_single_thread(request, discussion_id, course_id, thread_id):
     thread = cc.Thread.find(thread_id).retrieve(recursive=True)
 
     annotated_content_info = utils.get_annotated_content_infos(course_id, thread=thread.to_dict(), \
-                                user=request.user, type='thread')
+                                                               user=request.user, type='thread')
 
     context = {
         'discussion_id': discussion_id,
@@ -194,14 +208,29 @@ def single_thread(request, course_id, discussion_id, thread_id):
 def user_profile(request, course_id, user_id):
 
     course = check_course(request.user, course_id)
-
     discussion_user = cc.User(id=user_id, course_id=course_id)
 
-    context = {
-        'course': course, 
-        'user': request.user,
-        'django_user': User.objects.get(id=user_id),
-        'discussion_user': discussion_user.to_dict(),
+    query_params = {
+        'page': request.GET.get('page', 1),
+        'per_page': THREADS_PER_PAGE, # more than threads_per_page to show more activities
     }
 
-    return render_to_response('discussion/user_profile.html', context)
+    threads, page, num_pages = discussion_user.active_threads(query_params)
+
+    query_params['page'] = page
+    query_params['num_pages'] = num_pages
+
+    content = render_user_discussion(request, course_id, threads, user_id=user_id, query_params=query_params)
+
+    if request.is_ajax():
+        return utils.HtmlResponse(content)
+    else:
+        context = {
+            'course': course, 
+            'user': request.user,
+            'django_user': User.objects.get(id=user_id),
+            'discussion_user': discussion_user.to_dict(),
+            'content': content,
+        }
+
+        return render_to_response('discussion/user_profile.html', context)
diff --git a/lms/djangoapps/django_comment_client/permissions.py b/lms/djangoapps/django_comment_client/permissions.py
index ea8d4e9f24..9ca2b46af0 100644
--- a/lms/djangoapps/django_comment_client/permissions.py
+++ b/lms/djangoapps/django_comment_client/permissions.py
@@ -96,7 +96,6 @@ VIEW_PERMISSIONS = {
 
 
 def check_permissions_by_view(user, course_id, content, name):
-    # import pdb; pdb.set_trace()
     try:
         p = VIEW_PERMISSIONS[name]
     except KeyError:
diff --git a/lms/djangoapps/django_comment_client/utils.py b/lms/djangoapps/django_comment_client/utils.py
index 30c9042155..aac409435a 100644
--- a/lms/djangoapps/django_comment_client/utils.py
+++ b/lms/djangoapps/django_comment_client/utils.py
@@ -16,13 +16,16 @@ _FULLMODULES = None
 _DISCUSSIONINFO = None
 
 def extract(dic, keys):
-    return {k: dic[k] for k in keys}
+    return {k: dic.get(k) for k in keys}
 
 def strip_none(dic):
     def _is_none(v):
         return v is None or (isinstance(v, str) and len(v.strip()) == 0)
     return dict([(k, v) for k, v in dic.iteritems() if not _is_none(v)])
 
+def merge_dict(dic1, dic2):
+    return dict(dic1.items() + dic2.items())
+
 def get_full_modules():
     global _FULLMODULES
     if not _FULLMODULES:
diff --git a/lms/lib/comment_client/user.py b/lms/lib/comment_client/user.py
index a73bdf6a6f..ae4abf91b7 100644
--- a/lms/lib/comment_client/user.py
+++ b/lms/lib/comment_client/user.py
@@ -55,6 +55,15 @@ class User(models.Model):
         request = perform_request('delete', url, params)
         voteable.update_attributes(request)
 
+    def active_threads(self, query_params={}):
+        if not self.course_id:
+            raise CommentClientError("Must provide course_id when retrieving active threads for the user")
+        url = _url_for_user_active_threads(self.id)
+        params = {'course_id': self.course_id}
+        params = merge_dict(params, query_params)
+        response = perform_request('get', url, params)
+        return response.get('collection', []), response.get('page', 1), response.get('num_pages', 1)
+
     def _retrieve(self, *args, **kwargs):
         url = self.url(action='get', params=self.attributes)
         retrieve_params = self.default_retrieve_params
@@ -71,3 +80,6 @@ def _url_for_vote_thread(thread_id):
 
 def _url_for_subscription(user_id):
     return "{prefix}/users/{user_id}/subscriptions".format(prefix=settings.PREFIX, user_id=user_id)
+
+def _url_for_user_active_threads(user_id):
+    return "{prefix}/users/{user_id}/active_threads".format(prefix=settings.PREFIX, user_id=user_id)
diff --git a/lms/static/coffee/src/discussion/content.coffee b/lms/static/coffee/src/discussion/content.coffee
index 2c01420007..448b092045 100644
--- a/lms/static/coffee/src/discussion/content.coffee
+++ b/lms/static/coffee/src/discussion/content.coffee
@@ -252,12 +252,14 @@ initializeFollowThread = (thread) ->
 
     handleHideSingleThread = (elem) ->
       $threadTitle = $local(".thread-title")
-      $showComments = $local(".discussion-show-comments")
+      $hideComments = $local(".discussion-hide-comments")
+      $hideComments.removeClass("discussion-hide-comments")
+                   .addClass("discussion-show-comments")
       $content.children(".comments").hide()
       $threadTitle.unbind('click').click handleShowSingleThread
-      $showComments.unbind('click').click handleShowSingleThread
-      prevHtml = $showComments.html()
-      $showComments.html prevHtml.replace "Hide", "Show"
+      $hideComments.unbind('click').click handleShowSingleThread
+      prevHtml = $hideComments.html()
+      $hideComments.html prevHtml.replace "Hide", "Show"
 
     handleShowSingleThread = ->
       $threadTitle = $local(".thread-title")
@@ -269,9 +271,12 @@ initializeFollowThread = (thread) ->
       rebindHideEvents = ->
         $threadTitle.unbind('click').click handleHideSingleThread
         $showComments.unbind('click').click handleHideSingleThread
+        $showComments.removeClass("discussion-show-comments")
+                     .addClass("discussion-hide-comments")
         prevHtml = $showComments.html()
         $showComments.html prevHtml.replace "Show", "Hide"
 
+
       if $content.children(".comments").length
         $content.children(".comments").show()
         rebindHideEvents()
@@ -299,6 +304,9 @@ initializeFollowThread = (thread) ->
       "click .discussion-show-comments": ->
         handleShowSingleThread(this)
 
+      "click .discussion-hide-comments": ->
+        handleHideSingleThread(this)
+
       "click .discussion-reply-thread": ->
         handleShowSingleThread($local(".thread-title"))
         handleReply(this)
@@ -374,11 +382,12 @@ initializeFollowThread = (thread) ->
     MathJax.Hub.Queue ["Typeset", MathJax.Hub, $contentBody.attr("id")]
     id = $content.attr("_id")
 
-    discussion_id = $content.parents(".discussion").attr("_id")
     if $content.hasClass("thread")
+      discussion_id = $content.attr("_discussion_id")
       permalink = Discussion.urlFor("permanent_link_thread", discussion_id, id)
     else
       thread_id = $content.parents(".thread").attr("_id")
+      discussion_id = $content.parents(".thread").attr("_discussion_id")
       permalink = Discussion.urlFor("permanent_link_comment", discussion_id, thread_id, id)
     $local(".discussion-permanent-link").attr "href", permalink
 
diff --git a/lms/static/coffee/src/discussion/discussion.coffee b/lms/static/coffee/src/discussion/discussion.coffee
index 3d948286c2..b25ab35bf7 100644
--- a/lms/static/coffee/src/discussion/discussion.coffee
+++ b/lms/static/coffee/src/discussion/discussion.coffee
@@ -55,7 +55,7 @@ initializeFollowDiscussion = (discussion) ->
     handleCancelNewPost = (elem) ->
       if $discussion.hasClass("inline-discussion")
         $local(".new-post-form").addClass("collapsed")
-      else
+      else if $discussion.hasClass("forum-discussion")
         $local(".new-post-form").hide()
 
     handleSimilarPost = (elem) ->
@@ -106,7 +106,7 @@ initializeFollowDiscussion = (discussion) ->
         if $discussion.hasClass("inline-discussion")
           $input.bind 'focus', (e) ->
             $local(".new-post-form").removeClass('collapsed')
-        else
+        else if $discussion.hasClass("forum-discussion")
           $local(".new-post-form").removeClass('collapsed')
 
         $local(".new-post-tags").tagsInput Discussion.tagsInputOptions()
@@ -135,8 +135,9 @@ initializeFollowDiscussion = (discussion) ->
         dataType: 'html'
         success: (data, textStatus) ->
           $data = $(data)
+          $parent = $discussion.parent()
           $discussion.replaceWith($data)
-          $discussion = $(".discussion[_id='#{id}']")
+          $discussion = $parent.children(".discussion")
           Discussion.initializeDiscussion($discussion)
           Discussion.bindDiscussionEvents($discussion)
 
@@ -158,12 +159,13 @@ initializeFollowDiscussion = (discussion) ->
     if $discussion.hasClass("inline-discussion")
       initializeNewPost()
 
-    $discussionSidebar = $(".discussion-sidebar")
-    if $discussionSidebar.length
-      $sidebarLocal = Discussion.generateLocal($discussionSidebar)
-      Discussion.bindLocalEvents $sidebarLocal,
-        "click .sidebar-new-post-button": (event) ->
-          initializeNewPost()
+    if $discussion.hasClass("forum-discussion")
+      $discussionSidebar = $(".discussion-sidebar")
+      if $discussionSidebar.length
+        $sidebarLocal = Discussion.generateLocal($discussionSidebar)
+        Discussion.bindLocalEvents $sidebarLocal,
+          "click .sidebar-new-post-button": (event) ->
+            initializeNewPost()
 
     Discussion.bindLocalEvents $local,
 
diff --git a/lms/static/coffee/src/discussion/user_profile.coffee b/lms/static/coffee/src/discussion/user_profile.coffee
index a431688f96..0cff708ae6 100644
--- a/lms/static/coffee/src/discussion/user_profile.coffee
+++ b/lms/static/coffee/src/discussion/user_profile.coffee
@@ -30,3 +30,5 @@ Discussion = @Discussion
         handleUpdateModeratorStatus(this, false)
       "click .sidebar-promote-moderator-button": (event) ->
         handleUpdateModeratorStatus(this, true)
+
+  initializeUserActiveDiscussion: ($discussion) ->
diff --git a/lms/static/sass/_discussion.scss b/lms/static/sass/_discussion.scss
index 59609fd4ca..12ec834663 100644
--- a/lms/static/sass/_discussion.scss
+++ b/lms/static/sass/_discussion.scss
@@ -844,7 +844,7 @@ $tag-text-color: #5b614f;
     }
   }
 
-  &.inline-discussion, .forum-discussion {
+  &.inline-discussion, .forum-discussion, .user-discussion {
     .new-post-form {
       margin: 24px 60px;
 
diff --git a/lms/templates/discussion/_thread.html b/lms/templates/discussion/_thread.html
index 5326b10a02..a9a354225f 100644
--- a/lms/templates/discussion/_thread.html
+++ b/lms/templates/discussion/_thread.html
@@ -4,9 +4,16 @@
 <%! from django_comment_client.utils import pluralize %>
 <%! import urllib %>
 
+<%!
+  def user_id_with_anonymity(content):
+    if content.get('anonymous', False):
+      return ''
+    else:
+      return content['user_id']
+%>
 
 <%def name="render_thread(course_id, thread, show_comments=False)">
-  <div class="thread" _id="${thread['id']}">
+  <div class="thread" _id="${thread['id']}" _discussion_id="${thread['commentable_id']}" _author_id="${user_id_with_anonymity(thread)}">
     ${render_content(thread, "thread", show_comments=show_comments)}
     % if show_comments:
       ${render_comments(thread.get('children', []))}
@@ -16,9 +23,9 @@
 
 <%def name="render_comment(comment)">
   % if comment['endorsed']:
-  <div class="comment endorsed" _id="${comment['id']}">
+  <div class="comment endorsed" _id="${comment['id']}" _author_id="${user_id_with_anonymity(comment)}">
   % else:
-  <div class="comment" _id="${comment['id']}">
+  <div class="comment" _id="${comment['id']}" _author_id="${user_id_with_anonymity(comment)}">
   % endif
     ${render_content(comment, "comment")}
     <div class="comments">
@@ -60,7 +67,7 @@
 
         ${render_title(content, type, **kwargs)}
         <div class="discussion-content-view">
-          <a name="${content['id']}"></a>
+          <a name="${content['id']}" style="width: 0; height: 0; padding: 0; border: none;"></a>
           % if content.get('highlighted_body', None):
             <div class="content-body ${type}-body" id="content-body-${content['id']}">${content['highlighted_body'] | h}</div>
           % else:
@@ -103,20 +110,16 @@
 
 <%def name="render_bottom_bar(content, type, **kwargs)">
   <div class="info">    
-      ${render_info(content)}
+      ${render_info(content, type, **kwargs)}
     <ul class="discussion-actions">
       <li>${render_link("discussion-link discussion-reply discussion-reply-" + type, "Reply")}</li>
       <li><div class="follow-wrapper"></div></li>
       <li>${render_link("discussion-link discussion-permanent-link", "Permanent Link")}</li>
     </ul>
-
-
-    
-
   </div>
 </%def>
 
-<%def name="render_info(content)">
+<%def name="render_info(content, type, **kwargs)">
   <%
     def url_for_user(user_id):
       return reverse('django_comment_client.forum.views.user_profile', args=[course_id, user_id])
@@ -131,7 +134,11 @@
   </div>
   <div class="comment-count">
     % if content.get('comments_count', -1) >= 0:
-    <a href="javascript:void(0)" class="discussion-show-comments">Show ${content['comments_count']} ${pluralize('comment', content['comments_count'])}</a>
+      % if kwargs.get('show_comments') is True:
+        <a href="javascript:void(0)" class="discussion-hide-comments">Hide ${content['comments_count']} ${pluralize('comment', content['comments_count'])}</a>
+      % else:
+        <a href="javascript:void(0)" class="discussion-show-comments">Show ${content['comments_count']} ${pluralize('comment', content['comments_count'])}</a>
+      % endif
     % endif
   </div>
 </%def>
diff --git a/lms/templates/discussion/_user_active_threads.html b/lms/templates/discussion/_user_active_threads.html
new file mode 100644
index 0000000000..6a4de78fdc
--- /dev/null
+++ b/lms/templates/discussion/_user_active_threads.html
@@ -0,0 +1,24 @@
+<%namespace name="renderer" file="_thread.html"/>
+<%! from django.template.defaultfilters import escapejs %>
+
+<section class="discussion user-active-discussion">
+
+  <div class="discussion-non-content discussion-local"></div>
+
+  <div class="threads">
+    % for thread in threads:
+      ${renderer.render_thread(course_id, thread, show_comments=True)}
+    % endfor
+  </div>
+
+  <%include file="_paginator.html" />
+</section>
+
+<script type="text/javascript">
+  var $$user_info = JSON.parse("${user_info | escapejs}");
+  var $$course_id = "${course_id | escapejs}";
+  if (typeof $$annotated_content_info === undefined || $$annotated_content_info === null) {
+    var $$annotated_content_info = {};
+  }
+  $$annotated_content_info = $.extend($$annotated_content_info, JSON.parse("${annotated_content_info | escapejs}"));
+</script>
diff --git a/lms/templates/discussion/user_profile.html b/lms/templates/discussion/user_profile.html
index 87b802e66a..3825879c3b 100644
--- a/lms/templates/discussion/user_profile.html
+++ b/lms/templates/discussion/user_profile.html
@@ -1,4 +1,5 @@
 <%! from django.template.defaultfilters import escapejs %>
+<%namespace name="renderer" file="_thread.html"/>
 
 <%inherit file="../main.html" />
 <%namespace name='static' file='../static_content.html'/>
@@ -28,7 +29,7 @@
     </section>
 
     <section class="course-content">
-      
+      ${content}
     </section>
   </div>
 </section>