diff --git a/gitcommits/src/main/scala/com/gerritforge/analytics/gitcommits/engine/GerritAnalyticsTransformations.scala b/gitcommits/src/main/scala/com/gerritforge/analytics/gitcommits/engine/GerritAnalyticsTransformations.scala
index fab54a4..75f9c67 100644
--- a/gitcommits/src/main/scala/com/gerritforge/analytics/gitcommits/engine/GerritAnalyticsTransformations.scala
+++ b/gitcommits/src/main/scala/com/gerritforge/analytics/gitcommits/engine/GerritAnalyticsTransformations.scala
@@ -103,7 +103,8 @@
       branches: Array[String],
       last_commit_date: Long,
       is_merge: Boolean,
-      is_bot_like: Boolean
+      is_bot_like: Boolean,
+      starting_revision: String
   )
 
   import org.apache.spark.sql.Encoders
@@ -145,7 +146,8 @@
           "json.commits as commits",
           "json.branches as branches",
           "json.is_bot_like",
-          "json.hash_tags as hash_tags"
+          "json.hash_tags as hash_tags",
+          "json.starting_revision as starting_revision"
         )
     }
 
diff --git a/gitcommits/src/test/scala/com/gerritforge/analytics/GerritAnalyticsTransformationsSpec.scala b/gitcommits/src/test/scala/com/gerritforge/analytics/GerritAnalyticsTransformationsSpec.scala
index c8ff288..a8eb44b 100644
--- a/gitcommits/src/test/scala/com/gerritforge/analytics/GerritAnalyticsTransformationsSpec.scala
+++ b/gitcommits/src/test/scala/com/gerritforge/analytics/GerritAnalyticsTransformationsSpec.scala
@@ -152,16 +152,16 @@
       Seq(
         (
           "p1",
-          """{"name":"a","email":"a@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":1, "num_files": 2, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":0, "is_merge": false, "is_bot_like": false, "commits":[{ "sha1": "e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":0,"merge":false, "files": ["file1.txt", "file2.txt"]}], "branches": ["master", "stable-2.14"]}"""
+          """{"name":"a","email":"a@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":1, "num_files": 2, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":0, "is_merge": false, "is_bot_like": false, "starting_revision": "HEAD", "commits":[{ "sha1": "e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":0,"merge":false, "files": ["file1.txt", "file2.txt"]}], "branches": ["master", "stable-2.14"]}"""
         ),
         (
           "p2",
-          """{"name":"b","email":"b@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":428, "num_files": 2, "num_distinct_files": 3, "added_lines":1, "deleted_lines":1, "last_commit_date":1500000000000, "is_merge": true, "is_bot_like":true, "commits":[{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":0,"merge":true, "files": ["file3.txt", "file4.txt"] },{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":1500000000000,"merge":true, "files": ["file1.txt", "file4.txt"]}]}, "branches":[]"""
+          """{"name":"b","email":"b@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":428, "num_files": 2, "num_distinct_files": 3, "added_lines":1, "deleted_lines":1, "last_commit_date":1500000000000, "is_merge": true, "is_bot_like":true, "starting_revision": "aBranch", "commits":[{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":0,"merge":true, "files": ["file3.txt", "file4.txt"] },{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":1500000000000,"merge":true, "files": ["file1.txt", "file4.txt"]}]}, "branches":[]"""
         ),
         // last commit is missing hour,day,month,year to check optionality
         (
           "p3",
-          """{"name":"c","email":"c@mail.com","num_commits":12,"num_files": 4, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":1600000000000,"is_merge": true, "is_bot_like":false,"commits":[{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":0,"merge":true, "files": ["file1.txt", "file2.txt"] },{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":1600000000000,"merge":true, "files": ["file1.txt", "file2.txt"]}]}, "branches":[]"""
+          """{"name":"c","email":"c@mail.com","num_commits":12,"num_files": 4, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":1600000000000,"is_merge": true, "is_bot_like":false, "starting_revision": "e063a806c33bd524e89a87732bd3f1ad9a77a41e", "commits":[{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":0,"merge":true, "files": ["file1.txt", "file2.txt"] },{"sha1":"e063a806c33bd524e89a87732bd3f1ad9a77a41e", "date":1600000000000,"merge":true, "files": ["file1.txt", "file2.txt"]}]}, "branches":[]"""
         )
       )
     )
@@ -175,7 +175,7 @@
     "year", "month", "day", "hour",
     "num_files", "num_distinct_files", "added_lines", "deleted_lines",
     "num_commits", "last_commit_date",
-    "is_merge", "commits", "branches", "is_bot_like", "hash_tags")
+    "is_merge", "commits", "branches", "is_bot_like", "hash_tags", "starting_revision")
 
     collected should contain allOf (
       Row(
@@ -198,7 +198,8 @@
         ),
         new mutable.WrappedArray.ofRef(Array("master", "stable-2.14")),
         false,
-        null
+        null,
+        "HEAD"
       ),
       Row(
         "p2",
@@ -223,7 +224,8 @@
         ),
         null,
         true,
-        null
+        null,
+        "aBranch"
       ),
       Row(
         "p3",
@@ -248,7 +250,8 @@
         ),
         null,
         false,
-        null
+        null,
+        "e063a806c33bd524e89a87732bd3f1ad9a77a41e"
       )
     )
   }
@@ -547,16 +550,16 @@
         Seq(
           (
             "p1",
-            """{"name":"a","email":"a@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":1, "num_files": 2, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":0, "is_merge": false, "commits":[{ "sha1": "sha_1", "date":0,"merge":false, "files": ["file1.txt", "file2.txt"]}] }"""
+            """{"name":"a","email":"a@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":1, "num_files": 2, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":0, "is_merge": false, "commits":[{ "sha1": "sha_1", "date":0,"merge":false, "files": ["file1.txt", "file2.txt"]}], "starting_revision": "HEAD" }"""
           ),
           (
             "p2",
-            """{"name":"b","email":"b@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":428, "num_files": 2, "num_distinct_files": 3, "added_lines":1, "deleted_lines":1, "last_commit_date":1500000000000, "is_merge": true, "commits":[{"sha1":"sha_2", "date":0,"merge":true, "files": ["file3.txt", "file4.txt"] },{"sha1":"sha_3", "date":1500000000000,"merge":true, "files": ["file1.txt", "file4.txt"]}]}"""
+            """{"name":"b","email":"b@mail.com","year":2017,"month":9, "day":11, "hour":23, "num_commits":428, "num_files": 2, "num_distinct_files": 3, "added_lines":1, "deleted_lines":1, "last_commit_date":1500000000000, "is_merge": true, "commits":[{"sha1":"sha_2", "date":0,"merge":true, "files": ["file3.txt", "file4.txt"] },{"sha1":"sha_3", "date":1500000000000,"merge":true, "files": ["file1.txt", "file4.txt"]}], "starting_revision": "HEAD"}"""
           ),
           // last commit is missing hour,day,month,year to check optionality
           (
             "p3",
-            """{"name":"c","email":"c@mail.com","num_commits":12,"num_files": 4, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":1600000000000,"is_merge": true,"commits":[{"sha1":"sha_4", "date":0,"merge":true, "files": ["file1.txt", "file2.txt"] },{"sha1":"sha_5", "date":1600000000000,"merge":true, "files": ["file1.txt", "file2.txt"]}]}"""
+            """{"name":"c","email":"c@mail.com","num_commits":12,"num_files": 4, "num_distinct_files": 2, "added_lines":1, "deleted_lines":1, "last_commit_date":1600000000000,"is_merge": true,"commits":[{"sha1":"sha_4", "date":0,"merge":true, "files": ["file1.txt", "file2.txt"] },{"sha1":"sha_5", "date":1600000000000,"merge":true, "files": ["file1.txt", "file2.txt"]}], "starting_revision": "HEAD"}"""
           )
         )
       )