diff --git a/etc/default_data.json b/etc/default_data.json
index f5c7e0b7f..594fbf625 100644
--- a/etc/default_data.json
+++ b/etc/default_data.json
@@ -551,7 +551,7 @@
             "launchpad_id": "anteaya",
             "companies": [
                 {
-                    "company_name": "independent",
+                    "company_name": "*independent",
                     "end_date": "2013-Apr-02"
                 },
                 {
diff --git a/stackalytics/dashboard/parameters.py b/stackalytics/dashboard/parameters.py
index 5b59bf98a..b5e92bf37 100644
--- a/stackalytics/dashboard/parameters.py
+++ b/stackalytics/dashboard/parameters.py
@@ -69,7 +69,7 @@ def get_default(param_name):
     if 'release' not in DEFAULTS:
         release = cfg.CONF.default_release
         if not release:
-            runtime_storage_inst = vault.get_vault()['runtime_storage']
+            runtime_storage_inst = vault.get_runtime_storage()
             releases = runtime_storage_inst.get_by_key('releases')
             if releases:
                 release = releases[-1]['release_name']
diff --git a/stackalytics/dashboard/reports.py b/stackalytics/dashboard/reports.py
index 28a6a2c4f..a2200faf9 100644
--- a/stackalytics/dashboard/reports.py
+++ b/stackalytics/dashboard/reports.py
@@ -159,6 +159,22 @@ def members():
     }
 
 
+@blueprint.route('/affiliation_changes')
+@decorators.exception_handler()
+@decorators.templated()
+def affiliation_changes():
+    start_days = str(flask.request.args.get('start_days') or
+                     utils.timestamp_to_date(int(time.time()) -
+                                             365 * 24 * 60 * 60))
+    end_days = str(flask.request.args.get('end_days') or
+                   utils.timestamp_to_date(int(time.time())))
+
+    return {
+        'start_days': start_days,
+        'end_days': end_days,
+    }
+
+
 @blueprint.route('/cores')
 @decorators.exception_handler()
 @decorators.templated()
diff --git a/stackalytics/dashboard/templates/reports/affiliation_changes.html b/stackalytics/dashboard/templates/reports/affiliation_changes.html
new file mode 100644
index 000000000..cbb8234c3
--- /dev/null
+++ b/stackalytics/dashboard/templates/reports/affiliation_changes.html
@@ -0,0 +1,162 @@
+{% extends "reports/base_report.html" %}
+
+{% block title %}
+Company Affiliation Changes
+{% endblock %}
+
+{% block scripts %}
+    <script type="text/javascript">
+
+    function show_users_table(options) {
+        var table_column_names = ["from", "to", "count", "users"];
+        var table_id = "users_table";
+
+        $.ajax({
+            url: makeURI("/api/1.0/affiliation_changes", options),
+            dataType: "json",
+            success: function (data) {
+                var Data = data["affiliation_changes"];
+
+                var tableColumns = [];
+                var sort_by_column = 2;
+                for (var i = 0; i < table_column_names.length; i++) {
+                    tableColumns.push({"mData": table_column_names[i]});
+                }
+
+                result = {};
+                for (i = 0; i < Data.length; i++) {
+                    var user_id = Data[i].user_id;
+                    var user_name = Data[i].user_name;
+                    var old_company_name = Data[i].old_company_name;
+                    var new_company_name = Data[i].new_company_name;
+
+                    if (!result[old_company_name])
+                        result[old_company_name] = {};
+
+                    if (!result[old_company_name][new_company_name])
+                        result[old_company_name][new_company_name] = [];
+
+                    result[old_company_name][new_company_name].push({
+                        'name': user_name,
+                        'id': user_id
+                    });
+                }
+
+                var tableData = [];
+
+                var index = 0;
+                for (old_company_name in result)
+                    for (new_company_name in result[old_company_name]) {
+                        tableData.push({});
+                        tableData[index].from = "<a href=\".." + "?company=" + old_company_name + "\">" + old_company_name + "</a>";
+                        tableData[index].to = "<a href=\".." + "?company=" + new_company_name + "\">" + new_company_name + "</a>";
+
+                        var users = result[old_company_name][new_company_name];
+                        tableData[index].count = users.length;
+                        var user_links = [];
+                        for (var j = 0; j < users.length; j++)
+                            user_links.push("<a href=\"" + "users/" + users[j].id + "\">" + users[j].name + "</a>");
+                        user_links.sort();
+                        tableData[index].users = user_links.join(", ");
+
+                        index++;
+                    }
+
+                if (table_id) {
+                    $("#" + table_id).dataTable({
+                        "aaSorting": [
+                            [ sort_by_column, "desc" ]
+                        ],
+                        "bFilter": true,
+                        "bInfo": true,
+                        "bAutoWidth": true,
+                        "aaData": tableData,
+                        "aoColumns": tableColumns,
+                        "bDestroy": true,
+                        'bPaginate': true,
+                        "sPaginationType": "full_numbers",
+                        "aLengthMenu": [[10, 25, 50, -1], [10, 25, 50, "All"]],
+                        "iDisplayLength": -1
+                    });
+                }
+            }
+        });
+    }
+
+    function make_options() {
+        var options = {};
+        options['start_days'] = $('#start_days_selector').val();
+        options['end_days'] = $('#end_days_selector').val();
+
+        return options;
+    }
+
+    function reload() {
+        window.location.search = $.map(make_options(),function (val, index) {
+            return index + "=" + val;
+        }).join("&")
+    }
+
+    function show_page() {
+        show_users_table(make_options());
+    }
+
+    $(document).ready(function () {
+
+        $("#start_days_selector").val("{{ start_days }}").on('change', function (evt) {
+            reload();
+        });
+        $("#end_days_selector").val("{{ end_days }}").on('change', function (evt) {
+            reload();
+        });
+
+        show_page();
+    });
+
+    $(function() {
+        $( "#start_days_selector" ).datepicker({
+            dateFormat: 'yy-M-d',
+            changeMonth: true,
+            changeYear: true
+        });
+    });
+
+    $(function() {
+        $( "#end_days_selector" ).datepicker({
+            dateFormat: 'yy-M-d',
+            changeMonth: true,
+            changeYear: true
+        });
+    });
+
+    $(document).ready(function () {
+        $('#start_days_selector').val("{{ start_days }}");
+        $('#end_days_selector').val("{{ end_days }}");
+        show_page();
+    });
+
+    </script>
+
+{% endblock %}
+
+{% block content %}
+<h1>Company Affiliation Changes</h1>
+
+    <p>Start of the period: <input type="text" id="start_days_selector"/> &nbsp; End of the period: <input type="text" id="end_days_selector"/></p>
+
+    <div class="body" style="margin-right: 1em;">
+        <table id="users_table" style="width: 100%">
+            <thead>
+            <tr>
+                <th>From</th>
+                <th>To</th>
+                <th>Count</th>
+                <th>Users</th>
+            </tr>
+            </thead>
+            <tbody>
+            </tbody>
+        </table>
+    </div>
+
+{% endblock %}
diff --git a/stackalytics/dashboard/vault.py b/stackalytics/dashboard/vault.py
index 7ac30831e..15a2bccee 100644
--- a/stackalytics/dashboard/vault.py
+++ b/stackalytics/dashboard/vault.py
@@ -68,7 +68,7 @@ def compact_records(records):
 
 
 def extend_record(record):
-    runtime_storage_inst = get_vault()['runtime_storage']
+    runtime_storage_inst = get_runtime_storage()
     return runtime_storage_inst.get_by_key(
         runtime_storage_inst._get_record_name(record.record_id))
 
@@ -121,6 +121,10 @@ def get_memory_storage():
     return get_vault()['memory_storage']
 
 
+def get_runtime_storage():
+    return get_vault()['runtime_storage']
+
+
 def _init_releases(vault):
     runtime_storage_inst = vault['runtime_storage']
     releases = runtime_storage_inst.get_by_key('releases')
@@ -170,7 +174,7 @@ def get_project_types():
 
 
 def get_release_options():
-    runtime_storage_inst = get_vault()['runtime_storage']
+    runtime_storage_inst = get_runtime_storage()
     releases = (runtime_storage_inst.get_by_key('releases') or [None])[1:]
     releases.append({'release_name': 'all'})
     releases.reverse()
@@ -195,7 +199,7 @@ def get_project_type(project_type_id):
 
 
 def get_user_from_runtime_storage(user_id):
-    runtime_storage_inst = get_vault()['runtime_storage']
+    runtime_storage_inst = get_runtime_storage()
     user_index = get_vault()['user_index']
     if user_id not in user_index:
         user_index[user_id] = user_processor.load_user(
diff --git a/stackalytics/dashboard/web.py b/stackalytics/dashboard/web.py
index ba0a0d76d..66fde1110 100644
--- a/stackalytics/dashboard/web.py
+++ b/stackalytics/dashboard/web.py
@@ -490,6 +490,52 @@ def get_project_types_json(**kwargs):
             parameters.get_default('project_type'))
 
 
+@app.route('/api/1.0/affiliation_changes')
+@decorators.exception_handler()
+@decorators.response()
+@decorators.jsonify('affiliation_changes')
+def get_company_changes(**kwargs):
+
+    start_days = str(flask.request.args.get('start_days') or
+                     utils.timestamp_to_date(int(time.time()) -
+                                             365 * 24 * 60 * 60))
+    end_days = str(flask.request.args.get('end_days') or
+                   utils.timestamp_to_date(int(time.time())))
+
+    start_date = utils.date_to_timestamp_ext(start_days)
+    end_date = utils.date_to_timestamp_ext(end_days)
+
+    runtime_storage = vault.get_runtime_storage()
+    result = []
+
+    for user in runtime_storage.get_all_users():
+        companies = user.get('companies') or []
+        if len(companies) < 2:
+            continue
+
+        companies_iter = iter(companies)
+        company = companies_iter.next()
+        old_company_name = company['company_name']
+        date = company['end_date']
+
+        for company in companies_iter:
+            new_company_name = company['company_name']
+
+            if start_date <= date <= end_date:
+                result.append({
+                    'user_id': user['user_id'],
+                    'user_name': user['user_name'],
+                    'old_company_name': old_company_name,
+                    'new_company_name': new_company_name,
+                    'date': date,
+                })
+
+            old_company_name = new_company_name
+            date = company['end_date']
+
+    return result
+
+
 def _get_week(kwargs, param_name):
     date_param = parameters.get_single_parameter(kwargs, param_name)
     if date_param:
diff --git a/stackalytics/processor/utils.py b/stackalytics/processor/utils.py
index c9a0884b6..692751120 100644
--- a/stackalytics/processor/utils.py
+++ b/stackalytics/processor/utils.py
@@ -57,6 +57,11 @@ def iso8601_to_timestamp(s):
     return int(time.mktime(iso8601.parse_date(s).timetuple()))
 
 
+def timestamp_to_date(timestamp):
+    return (datetime.datetime.fromtimestamp(timestamp).
+            strftime('%Y-%b-%d'))
+
+
 def timestamp_to_week(timestamp):
     # Jan 4th 1970 is the first Sunday in the Epoch
     return (timestamp - 3 * 24 * 3600) // (7 * 24 * 3600)