diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000000..2673715981
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1,61 @@
+# Order is important: later matches have higher precedence
+
+# List of reviewer teams
+# @nvidia-nemo/rl_reviewers_algo
+# @nvidia-nemo/rl_reviewers_supervised
+# @nvidia-nemo/rl_reviewers_async
+# @nvidia-nemo/rl_reviewers_automodel
+# @nvidia-nemo/rl_reviewers_ci
+# @nvidia-nemo/rl_reviewers_doc
+# @nvidia-nemo/rl_reviewers_environments
+# @nvidia-nemo/rl_reviewers_eval
+# @nvidia-nemo/rl_reviewers_generation
+# @nvidia-nemo/rl_reviewers_infra
+# @nvidia-nemo/rl_reviewers_mcore
+# @nvidia-nemo/rl_reviewers_multimodal
+# @nvidia-nemo/rl_reviewers_models
+# @nvidia-nemo/rl_reviewers_perf
+
+# Catch-all if not defined
+* @nvidia-nemo/rl_maintainers
+
+# CI/Test
+/.github/ @nvidia-nemo/rl_reviewers_ci
+/tests/ @nvidia-nemo/rl_reviewers_ci
+
+# Examples and configs (TODO: Add all algo subteams eventually)
+/examples/ @nvidia-nemo/rl_reviewers_algo
+/examples/**/*vlm* @nvidia-nemo/rl_reviewers_multimodal
+/examples/**/*sft* @nvidia-nemo/rl_reviewers_supervised
+/examples/**/*dpo* @nvidia-nemo/rl_reviewers_supervised
+/examples/**/*rm* @nvidia-nemo/rl_reviewers_supervised
+
+# Core (TODO: Add all algo subteams eventually)
+/nemo_rl/algorithms/ @nvidia-nemo/rl_reviewers_algo
+/nemo_rl/algorithms/sft.py @nvidia-nemo/rl_reviewers_supervised
+/nemo_rl/algorithms/dpo.py @nvidia-nemo/rl_reviewers_supervised
+/nemo_rl/algorithms/rm.py @nvidia-nemo/rl_reviewers_supervised
+/nemo_rl/environments/ @nvidia-nemo/rl_reviewers_environments @nvidia-nemo/rl_reviewers_algo
+/nemo_rl/data/ @nvidia-nemo/rl_reviewers_algo
+/nemo_rl/experience/ @nvidia-nemo/rl_reviewers_environments @nvidia-nemo/rl_reviewers_algo
+/nemo_rl/evals/ @nvidia-nemo/rl_reviewers_eval
+/nemo_rl/distributed/ @nvidia-nemo/rl_reviewers_infra
+/nemo_rl/models/ @nvidia-nemo/rl_reviewers_automodel @nvidia-nemo/rl_reviewers_mcore
+/nemo_rl/models/dtensor/ @nvidia-nemo/rl_reviewers_automodel
+/nemo_rl/models/generation/ @nvidia-nemo/rl_reviewers_generation
+/nemo_rl/models/generation/fp8.py @nvidia-nemo/rl_reviewers_perf
+/nemo_rl/models/megatron/ @nvidia-nemo/rl_reviewers_mcore
+/nemo_rl/models/policy/dtensor* @nvidia-nemo/rl_reviewers_automodel
+/nemo_rl/models/policy/megatron* @nvidia-nemo/rl_reviewers_mcore
+/nemo_rl/utils/flop* @nvidia-nemo/rl_reviewers_perf
+
+# Infra, tooling, and docs
+/docker/ @nvidia-nemo/rl_reviewers_infra
+/docs/ @nvidia-nemo/rl_reviewers_doc
+/3rdparty/Automodel-workspace/ @nvidia-nemo/rl_reviewers_automodel
+/3rdparty/Megatron-LM-workspace/ @nvidia-nemo/rl_reviewers_mcore
+/3rdparty/Megatron-Bridge-workspace/ @nvidia-nemo/rl_reviewers_mcore
+/ray.sub @nvidia-nemo/rl_reviewers_infra
+
+# Codeowners
+/.github/CODEOWNERS @nvidia-nemo/rl_maintainers
diff --git a/nemo_rl/converters/__init__.py b/nemo_rl/converters/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/nemo_rl/converters/huggingface/__init__.py b/nemo_rl/converters/huggingface/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/nemo_rl/converters/huggingface/vllm_export.py b/nemo_rl/converters/huggingface/vllm_export.py
deleted file mode 100644
index 341a77c5bc..0000000000
--- a/nemo_rl/converters/huggingface/vllm_export.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2025, NVIDIA CORPORATION.  All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/nemo_rl/converters/megatron/__init__.py b/nemo_rl/converters/megatron/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/nemo_rl/converters/megatron/vllm_export.py b/nemo_rl/converters/megatron/vllm_export.py
deleted file mode 100644
index 341a77c5bc..0000000000
--- a/nemo_rl/converters/megatron/vllm_export.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2025, NVIDIA CORPORATION.  All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/nemo_rl/metrics/__init__.py b/nemo_rl/metrics/__init__.py
deleted file mode 100644
index e69de29bb2..0000000000
diff --git a/nemo_rl/metrics/metrics_utils.py b/nemo_rl/metrics/metrics_utils.py
deleted file mode 100644
index 341a77c5bc..0000000000
--- a/nemo_rl/metrics/metrics_utils.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright (c) 2025, NVIDIA CORPORATION.  All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/pyrefly.toml b/pyrefly.toml
index 51b5574002..0464f138d5 100644
--- a/pyrefly.toml
+++ b/pyrefly.toml
@@ -35,11 +35,6 @@ project-includes = [
     "nemo_rl/algorithms/__init__.py",
     "nemo_rl/algorithms/interfaces.py",
     "nemo_rl/algorithms/utils.py",
-    "nemo_rl/converters/__init__.py",
-    "nemo_rl/converters/huggingface/__init__.py",
-    "nemo_rl/converters/huggingface/vllm_export.py",
-    "nemo_rl/converters/megatron/__init__.py",
-    "nemo_rl/converters/megatron/vllm_export.py",
     "nemo_rl/data/__init__.py",
     "nemo_rl/data/datasets.py",
     "nemo_rl/data/eval_datasets/__init__.py",
@@ -87,8 +82,6 @@ project-includes = [
     "nemo_rl/evals/answer_parsing.py",
     "nemo_rl/experience/__init__.py",
     "nemo_rl/experience/rollouts.py",
-    "nemo_rl/metrics/__init__.py",
-    "nemo_rl/metrics/metrics_utils.py",
     "nemo_rl/models/__init__.py",
     "nemo_rl/models/dtensor/__init__.py",
     "nemo_rl/models/dtensor/parallelize.py",