diff --git a/ietf/group/views.py b/ietf/group/views.py
index ccc7e547d..c6a405439 100644
--- a/ietf/group/views.py
+++ b/ietf/group/views.py
@@ -1388,6 +1388,7 @@ def reviewer_overview(request, acronym, group_type=None):
         
 
         MAX_CLOSED_REQS = 10
+        days_since = 9999
         req_data = req_data_for_reviewers.get(person.pk, [])
         open_reqs = sum(1 for d in req_data if d.state in ["requested", "accepted"])
         latest_reqs = []
@@ -1396,7 +1397,15 @@ def reviewer_overview(request, acronym, group_type=None):
                 latest_reqs.append((d.req_pk, d.doc, d.reviewed_rev, d.assigned_time, d.deadline,
                                     review_state_by_slug.get(d.state),
                                     int(math.ceil(d.assignment_to_closure_days)) if d.assignment_to_closure_days is not None else None))
+            if d.state in ["completed", "completed_in_time", "completed_late"]:
+                if d.assigned_time is not None:
+                    delta = datetime.datetime.now() - d.assigned_time
+                    if d.assignment_to_closure_days is not None:
+                        days = int(delta.days - d.assignment_to_closure_days)
+                        if days_since > days: days_since = days
+
         person.latest_reqs = latest_reqs
+        person.days_since_completed_review = days_since
 
     return render(request, 'group/reviewer_overview.html',
                   construct_group_menu_context(request, group, "reviewers", group_type, {
diff --git a/ietf/templates/group/reviewer_overview.html b/ietf/templates/group/reviewer_overview.html
index 8f6f90006..b0339b83d 100644
--- a/ietf/templates/group/reviewer_overview.html
+++ b/ietf/templates/group/reviewer_overview.html
@@ -9,6 +9,10 @@
 {% block group_content %}
   {% origin %}
 
+  {% block pagehead %}
+    <link rel="stylesheet" href="{% static "jquery.tablesorter/css/theme.bootstrap.min.css" %}">
+  {% endblock %}
+
   {% if can_access_stats %}
     <h1 class="pull-right"><a href="{% url "ietf.stats.views.review_stats" stats_type="completion" acronym=group.acronym %}" class="icon-link">&nbsp;<span class="small fa fa-bar-chart">&nbsp;</span></a></h1>
   {% endif %}
@@ -25,11 +29,13 @@
   </div>
 
   {% if reviewers %}
-    <table class="table reviewer-overview">
+    <table class="table reviewer-overview tablesorter">
       <thead>
         <tr>
+          <th>Next</th>
           <th>Reviewer</th>
           <th>Assigned/Deadline/state/time between assignment and closure for latest assignments</th>
+          <th>Days Since Completed</th>
           <th>Settings</th>
         </tr>
       </thead>
@@ -39,12 +45,13 @@
               {% elif person.busy %}class="busy"
               {% elif person.settings.skip_next %}class="skip-next"
               {% endif %}>
+            <td>{{ forloop.counter }}</td>
             <td>{% if person.settings_url %}<a href="{{ person.settings_url }}" title="{{person.settings.expertise}}">{% endif %}{{ person }}{% if person.settings_url %}</a>{% endif %}</td>
             <td>
               <table class="simple-table">
                 {% for req_pk, doc_name, reviewed_rev, assigned_time, deadline, state, assignment_to_closure_days in person.latest_reqs %}
                   <tr>
-                    <td>{{ assigned_time|date }}</td>
+                    <td><span style="display:none">X</span>{{ assigned_time|date }}</td>
                     <td><a href="{% url "ietf.doc.views_review.review_request" name=doc_name request_id=req_pk %}">{{ deadline|date }}</a></td>
                     <td>
                       <span class="label label-{% if state.slug == "completed" or state.slug == "part-completed" %}success{% elif state.slug == "no-response" %}danger{% elif state.slug == "overtaken" %}warning{% elif state.slug == "requested" or state.slug == "accepted" %}primary{% else %}default{% endif %}">{{ state.name }}</span>
@@ -57,6 +64,7 @@
                 {% endfor %}
               </table>
             </td>
+            <td> {% if person.days_since_completed_review != 9999 %} {{ person.days_since_completed_review }} {% else %} <span style="display:none">9999</span> </td> {% endif %}
             <td>
               {% if person.settings.min_interval %}
                 {{ person.settings.get_min_interval_display }}<br>
@@ -84,3 +92,7 @@
   {% endif %}
 
 {% endblock %}
+
+{% block js %}
+  <script src="{% static "jquery.tablesorter/js/jquery.tablesorter.combined.min.js" %}"></script>
+{% endblock %}