diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index e1a2a58208..e272bf9c47 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -44,8 +44,9 @@ CMakeLists.txt @tlrmchlsmth @LucasWilkinson
 /vllm/pooling_params.py @noooop @DarkLight1337
 /vllm/tokenizers @DarkLight1337 @njhill
 /vllm/renderers @DarkLight1337 @njhill
-/vllm/reasoning @aarnphm @chaunceyjiang
-/vllm/tool_parsers @aarnphm @chaunceyjiang
+/vllm/reasoning @aarnphm @chaunceyjiang @sfeng33
+/vllm/tool_parsers @aarnphm @chaunceyjiang @sfeng33
+/vllm/parser @aarnphm @chaunceyjiang @sfeng33
 
 # vLLM V1
 /vllm/v1/attention @LucasWilkinson @MatthewBonanni
@@ -91,7 +92,10 @@ CMakeLists.txt @tlrmchlsmth @LucasWilkinson
 /tests/v1/kv_connector/nixl_integration @NickLucche
 /tests/v1/kv_connector @ApostaC @orozery
 /tests/v1/kv_offload @ApostaC @orozery
-/tests/v1/determinism @yewentao256 
+/tests/v1/determinism @yewentao256
+/tests/reasoning @aarnphm @chaunceyjiang @sfeng33
+/tests/tool_parsers @aarnphm @chaunceyjiang @sfeng33
+/tests/tool_use @aarnphm @chaunceyjiang @sfeng33
 
 # Transformers modeling backend
 /vllm/model_executor/models/transformers @hmellor
diff --git a/docs/governance/committers.md b/docs/governance/committers.md
index e6f8f317eb..fb0d09a2a9 100644
--- a/docs/governance/committers.md
+++ b/docs/governance/committers.md
@@ -41,6 +41,7 @@ Sorted alphabetically by GitHub handle:
 - [@robertgshaw2-redhat](https://github.com/robertgshaw2-redhat): Core, distributed, disagg
 - [@ruisearch42](https://github.com/ruisearch42): Pipeline parallelism, Ray Support
 - [@russellb](https://github.com/russellb): Structured output, engine core, security
+- [@sfeng33](https://github.com/sfeng33): Tool use and reasoning parser
 - [@sighingnow](https://github.com/sighingnow): Qwen models, new model support
 - [@simon-mo](https://github.com/simon-mo): Project lead, API entrypoints, community
 - [@tdoublep](https://github.com/tdoublep): State space models
@@ -119,7 +120,7 @@ If you have PRs touching the area, please feel free to ping the area owner for r
 - State space models: The state space models implementation in vLLM
     - @tdoublep, @tlrmchlsmth
 - Reasoning and tool calling parsers
-    - @chaunceyjiang, @aarnphm
+    - @chaunceyjiang, @aarnphm, @sfeng33
 
 ### Entrypoints