diff --git a/tfx/orchestration/experimental/core/env.py b/tfx/orchestration/experimental/core/env.py
index 41407bd6a0..6e2378d334 100644
--- a/tfx/orchestration/experimental/core/env.py
+++ b/tfx/orchestration/experimental/core/env.py
@@ -71,6 +71,16 @@ def set_health_status(self, status: status_lib.Status) -> None:
   def check_if_can_orchestrate(self, pipeline: pipeline_pb2.Pipeline) -> None:
     """Check if this orchestrator is capable of orchestrating the pipeline."""
 
+  @abc.abstractmethod
+  def pipeline_start_postprocess(self, pipeline: pipeline_pb2.Pipeline):
+    """Method for processing a pipeline at the end of its initialization, before it starts running.
+
+    This *can* mutate the provided IR in-place.
+
+    Args:
+      pipeline: The pipeline IR to process.
+    """
+
 
 class _DefaultEnv(Env):
   """Default environment."""
@@ -104,6 +114,9 @@ def set_health_status(self, status: status_lib.Status) -> None:
   def check_if_can_orchestrate(self, pipeline: pipeline_pb2.Pipeline) -> None:
     pass
 
+  def pipeline_start_postprocess(self, pipeline: pipeline_pb2.Pipeline):
+    pass
+
 
 _ENV = _DefaultEnv()
 
diff --git a/tfx/orchestration/experimental/core/env_test.py b/tfx/orchestration/experimental/core/env_test.py
index 4dce1b191c..7074565fa5 100644
--- a/tfx/orchestration/experimental/core/env_test.py
+++ b/tfx/orchestration/experimental/core/env_test.py
@@ -16,6 +16,7 @@
 import tensorflow as tf
 from tfx.orchestration.experimental.core import env
 from tfx.orchestration.experimental.core import test_utils
+from tfx.proto.orchestration import pipeline_pb2
 from tfx.utils import status as status_lib
 
 
@@ -45,6 +46,9 @@ def set_health_status(self, status: status_lib.Status) -> None:
   def check_if_can_orchestrate(self, pipeline) -> None:
     raise NotImplementedError()
 
+  def pipeline_start_postprocess(self, pipeline: pipeline_pb2.Pipeline):
+    raise NotImplementedError()
+
 
 class EnvTest(test_utils.TfxTest):
 
diff --git a/tfx/orchestration/experimental/core/pipeline_ops.py b/tfx/orchestration/experimental/core/pipeline_ops.py
index cf7672465f..d4e68f1ffd 100644
--- a/tfx/orchestration/experimental/core/pipeline_ops.py
+++ b/tfx/orchestration/experimental/core/pipeline_ops.py
@@ -249,7 +249,7 @@ def initiate_pipeline_start(
       raise status_lib.StatusNotOkError(
           code=status_lib.Code.FAILED_PRECONDITION, message=str(e)
       )
-
+  env.get_env().pipeline_start_postprocess(pipeline)
   return pstate.PipelineState.new(
       mlmd_handle, pipeline, pipeline_run_metadata, reused_pipeline_view
   )
diff --git a/tfx/orchestration/experimental/core/pipeline_ops_test.py b/tfx/orchestration/experimental/core/pipeline_ops_test.py
index e08bd7b4b5..23fb433834 100644
--- a/tfx/orchestration/experimental/core/pipeline_ops_test.py
+++ b/tfx/orchestration/experimental/core/pipeline_ops_test.py
@@ -1148,6 +1148,17 @@ def _stop_pipeline(pipeline_state):
         self.assertEqual(expected_pipeline, pipeline_state_run2.pipeline)
       mock_snapshot.assert_called()
 
+  def test_initiate_pipeline_start_gets_post_processed(self):
+    with self._mlmd_connection as m:
+      with test_utils.pipeline_start_postprocess_env():
+        pipeline = _test_pipeline('test_pipeline', pipeline_pb2.Pipeline.SYNC)
+        pipeline_state = pipeline_ops.initiate_pipeline_start(m, pipeline)
+
+        self.assertEqual(
+            pipeline_state.pipeline.pipeline_info.id,
+            'test_pipeline_postprocessed',
+        )
+
   @parameterized.named_parameters(
       dict(testcase_name='async', pipeline=_test_pipeline('pipeline1')),
       dict(
diff --git a/tfx/orchestration/experimental/core/test_utils.py b/tfx/orchestration/experimental/core/test_utils.py
index 611e6b5b71..5371d28cf3 100644
--- a/tfx/orchestration/experimental/core/test_utils.py
+++ b/tfx/orchestration/experimental/core/test_utils.py
@@ -499,3 +499,13 @@ def concurrent_pipeline_runs_enabled(self) -> bool:
       return True
 
   return _TestEnv()
+
+
+def pipeline_start_postprocess_env():
+
+  class _TestEnv(env._DefaultEnv):  # pylint: disable=protected-access
+
+    def pipeline_start_postprocess(self, pipeline: pipeline_pb2.Pipeline):
+      pipeline.pipeline_info.id = pipeline.pipeline_info.id + '_postprocessed'
+
+  return _TestEnv()