diff --git a/grimoire_elk/enriched/bugzilla.py b/grimoire_elk/enriched/bugzilla.py
index 8bcbaf085..30aaa4b1f 100644
--- a/grimoire_elk/enriched/bugzilla.py
+++ b/grimoire_elk/enriched/bugzilla.py
@@ -204,6 +204,9 @@ def get_rich_item(self, item):
             get_time_diff_days(eitem['creation_date'], eitem['delta_ts'])
         eitem['timeopen_days'] = \
             get_time_diff_days(eitem['creation_date'], datetime_utcnow().replace(tzinfo=None))
+        eitem['time_to_first_attention'] = \
+            get_time_diff_days(eitem['creation_date'],
+                               self.get_time_to_first_attention(issue))
 
         if self.sortinghat:
             eitem.update(self.get_item_sh(item, self.roles))
@@ -216,3 +219,29 @@ def get_rich_item(self, item):
         self.add_repository_labels(eitem)
         self.add_metadata_filter_raw(eitem)
         return eitem
+
+    def get_time_to_first_attention(self, item):
+        """Set the time to first attention.
+
+        This date is defined as the first date at which a comment by someone
+        other than the user who created the issue.
+        """
+        if 'long_desc' not in item:
+            return None
+
+        comment_dates = []
+        reporter = item['reporter'][0]['__text__']
+
+        # First comment is the description of the issue
+        # Real comments start at the second position (index 1)
+        for comment in item['long_desc'][1:]:
+            user = comment['who'][0]['__text__']
+            if user == reporter:
+                continue
+            dt = str_to_datetime(comment['bug_when'][0]['__text__']).replace(tzinfo=None)
+            comment_dates.append(dt)
+
+        if comment_dates:
+            return min(comment_dates)
+        else:
+            return None
diff --git a/schema/bugzilla.csv b/schema/bugzilla.csv
index 187ee6b63..e9a8a52ad 100644
--- a/schema/bugzilla.csv
+++ b/schema/bugzilla.csv
@@ -110,6 +110,7 @@ severity,keyword
 status,keyword
 tag,keyword
 timeopen_days,float
+time_to_first_attention,float
 url,keyword
 uuid,keyword
 whiteboard,keyword
diff --git a/tests/data/bugzilla.json b/tests/data/bugzilla.json
index 68612bbf3..387d2a0e3 100644
--- a/tests/data/bugzilla.json
+++ b/tests/data/bugzilla.json
@@ -181,8 +181,8 @@
         ],
         "reporter": [
             {
-                "__text__": "rocapal@example.org",
-                "name": "Roberto Calvo"
+                "__text__": "sduenas@example.org",
+                "name": "Santiago Due\u00f1as"
             }
         ],
         "reporter_accessible": [
@@ -507,8 +507,8 @@
         ],
         "reporter": [
             {
-                "__text__": "rocapal@example.org",
-                "name": "Roberto Calvo"
+                "__text__": "sduenas@example.org",
+                "name": "Santiago Due\u00f1as"
             }
         ],
         "reporter_accessible": [
@@ -668,8 +668,8 @@
                 ],
                 "who": [
                     {
-                        "__text__": "sduenas@example.org",
-                        "name": "Santiago Due\u00f1as"
+                        "__text__": "dizquierdo@example.org",
+                        "name": "Daniel Izquierdo Cortazar"
                     }
                 ]
             }
@@ -1026,8 +1026,8 @@
         ],
         "reporter": [
             {
-                "__text__": "rocapal@example.com",
-                "name": "Roberto Calvo"
+                "__text__": "sduenas@example.org",
+                "name": "Santiago Due\u00f1as"
             }
         ],
         "reporter_accessible": [
@@ -1251,8 +1251,8 @@
         ],
         "reporter": [
             {
-                "__text__": "rocapal@example.org",
-                "name": "Roberto Calvo"
+                "__text__": "sduenas@example.org",
+                "name": "Santiago Due\u00f1as"
             }
         ],
         "reporter_accessible": [
@@ -1446,8 +1446,8 @@
         ],
         "reporter": [
             {
-                "__text__": "dizquierdo@example.org",
-                "name": "Daniel Izquierdo Cortazar"
+                "__text__": "sduenas@example.org",
+                "name": "Santiago Due\u00f1as"
             }
         ],
         "reporter_accessible": [
@@ -1661,7 +1661,7 @@
         ],
         "creation_ts": [
             {
-                "__text__": "2015-05-23 06:06:06 +0200"
+                "__text__": "2013-06-25 11:49:36 +0200"
             }
         ],
         "delta_ts": [
@@ -1720,7 +1720,7 @@
                 ],
                 "bug_when": [
                     {
-                        "__text__": "2013-06-25 11:55:46 +0200"
+                        "__text__": "2013-07-01 12:00:00 +0200"
                     }
                 ],
                 "commentid": [
@@ -1740,6 +1740,96 @@
                         "name": "Santiago Due\u00f1as"
                     }
                 ]
+            },
+            {
+                "__text__": "\n            ",
+                "attachid": [
+                    {
+                        "__text__": "172"
+                    }
+                ],
+                "bug_when": [
+                    {
+                        "__text__": "2014-06-25 11:55:46 +0200"
+                    }
+                ],
+                "commentid": [
+                    {
+                        "__text__": "1086"
+                    }
+                ],
+                "isprivate": "0",
+                "thetext": [
+                    {
+                        "__text__": "This patch is great"
+                    }
+                ],
+                "who": [
+                    {
+                        "__text__": "lcanas@example.org",
+                        "name": "Luis Ca\u00f1as"
+                    }
+                ]
+            },
+            {
+                "__text__": "\n            ",
+                "attachid": [
+                    {
+                        "__text__": "172"
+                    }
+                ],
+                "bug_when": [
+                    {
+                        "__text__": "2014-06-25 11:55:46 +0200"
+                    }
+                ],
+                "commentid": [
+                    {
+                        "__text__": "1086"
+                    }
+                ],
+                "isprivate": "0",
+                "thetext": [
+                    {
+                        "__text__": "Thanks!"
+                    }
+                ],
+                "who": [
+                    {
+                        "__text__": "sduenas@example.org",
+                        "name": "Santiago Due\u00f1as"
+                    }
+                ]
+            },
+            {
+                "__text__": "\n            ",
+                "attachid": [
+                    {
+                        "__text__": "172"
+                    }
+                ],
+                "bug_when": [
+                    {
+                        "__text__": "2014-08-01 11:55:46 +0200"
+                    }
+                ],
+                "commentid": [
+                    {
+                        "__text__": "1086"
+                    }
+                ],
+                "isprivate": "0",
+                "thetext": [
+                    {
+                        "__text__": "Applied"
+                    }
+                ],
+                "who": [
+                    {
+                        "__text__": "sduenas@example.org",
+                        "name": "Santiago Due\u00f1as"
+                    }
+                ]
             }
         ],
         "op_sys": [
@@ -1770,8 +1860,8 @@
         ],
         "reporter": [
             {
-                "__text__": "carlosgc@example.com",
-                "name": "Carlos Garcia Campos"
+                "__text__": "sduenas@example.org",
+                "name": "Santiago Due\u00f1as"
             }
         ],
         "reporter_accessible": [
diff --git a/tests/test_bugzilla.py b/tests/test_bugzilla.py
index aaa0afd8e..ef5e3b345 100644
--- a/tests/test_bugzilla.py
+++ b/tests/test_bugzilla.py
@@ -93,6 +93,18 @@ def test_enrich_keywords(self):
             eitem = enrich_backend.get_rich_item(item)
             self.assertEqual(eitem['keywords'], [])
 
+    def test_time_to_first_attention(self):
+        """Test whether time_to_first_attention is calculated"""
+
+        self._test_raw_to_enrich()
+        enrich_backend = self.connectors[self.connector][2]()
+
+        expected = [None, None, None, None, None, None, 365]
+
+        for index in range(0, len(self.items)):
+            eitem = enrich_backend.get_rich_item(self.items[index])
+            self.assertEqual(eitem['time_to_first_attention'], expected[index])
+
     def test_raw_to_enrich_sorting_hat(self):
         """Test enrich with SortingHat"""