diff --git a/vizier/_src/benchmarks/experimenters/infeasible_experimenter.py b/vizier/_src/benchmarks/experimenters/infeasible_experimenter.py
index e34b91ebd..0bd175dc3 100644
--- a/vizier/_src/benchmarks/experimenters/infeasible_experimenter.py
+++ b/vizier/_src/benchmarks/experimenters/infeasible_experimenter.py
@@ -60,7 +60,7 @@ def problem_statement(self) -> vz.ProblemStatement:
 
 
 @attrs.define
-class ParameterRegionInfeasibleExperimenter(experimenter.Experimenter):
+class ParamRegionInfeasibleExperimenter(experimenter.Experimenter):
   """Selects a parameter and splits its values into feasible/infeasible."""
 
   exptr: experimenter.Experimenter = attrs.field()
diff --git a/vizier/_src/benchmarks/experimenters/infeasible_experimenter_test.py b/vizier/_src/benchmarks/experimenters/infeasible_experimenter_test.py
index b29f7ad03..b4f85529b 100644
--- a/vizier/_src/benchmarks/experimenters/infeasible_experimenter_test.py
+++ b/vizier/_src/benchmarks/experimenters/infeasible_experimenter_test.py
@@ -43,13 +43,13 @@ def test_consistency(self):
         )
 
 
-class ParameterRegionInfeasibleExperimenterTest(absltest.TestCase):
+class ParamRegionInfeasibleExperimenterTest(absltest.TestCase):
 
   def test_e2e(self):
     exptr = numpy_experimenter.NumpyExperimenter(
         bbob.Sphere, bbob.DefaultBBOBProblemStatement(2)
     )
-    exptr = infeasible_experimenter.ParameterRegionInfeasibleExperimenter(
+    exptr = infeasible_experimenter.ParamRegionInfeasibleExperimenter(
         exptr, parameter_name='x0', infeasible_interval=(0.0, 0.5)
     )
 
diff --git a/vizier/benchmarks/experimenters/__init__.py b/vizier/benchmarks/experimenters/__init__.py
index 27975638f..5a0d82639 100644
--- a/vizier/benchmarks/experimenters/__init__.py
+++ b/vizier/benchmarks/experimenters/__init__.py
@@ -28,6 +28,8 @@
 from vizier._src.benchmarks.experimenters.experimenter_factory import ExperimenterFactory
 from vizier._src.benchmarks.experimenters.experimenter_factory import SerializableExperimenterFactory
 from vizier._src.benchmarks.experimenters.experimenter_factory import SingleObjectiveExperimenterFactory
+from vizier._src.benchmarks.experimenters.infeasible_experimenter import HashingInfeasibleExperimenter
+from vizier._src.benchmarks.experimenters.infeasible_experimenter import ParamRegionInfeasibleExperimenter
 from vizier._src.benchmarks.experimenters.l1_categorical_experimenter import L1CategorialExperimenter
 from vizier._src.benchmarks.experimenters.multiobjective_experimenter import MultiObjectiveExperimenter
 from vizier._src.benchmarks.experimenters.noisy_experimenter import NoisyExperimenter