update codeowners and maintainers

Signed-off-by: Derek Ho <dxho@amazon.com>

.github/CODEOWNERS

@@ -1,2 +1,2 @@
 # This should match the owning team set up in https://github.com/orgs/opensearch-project/teams
-*   @anirudha @nknize @ps48 @kavithacm @joshuali925 @zhongnansu @sejli @davidcui1225 @rupal-bq @CEHENKLE @mengweieric @eugenesk24 @vamsi-amazon
+*   @pjfitzgibbons @ps48 @kavithacm @derek-ho @joshuali925 @dai-chen @YANG-DB @rupal-bq @mengweieric @vamsi-amazon @swiddis @penghuo @seankao-az

MAINTAINERS.md

@@ -4,9 +4,22 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 
 ## Current Maintainers
 
-| Maintainer             | GitHub ID                                         | Affiliation |
-| ---------------------- | ------------------------------------------------- | ----------- |
-| Zhongnan Su            | [zhongnansu](https://github.com/zhongnansu)       | Amazon      |
+| Maintainer        | GitHub ID                                         | Affiliation |
+| ----------------- | ------------------------------------------------- | ----------- |
+| Eric Wei          | [mengweieric](https://github.com/mengweieric)     | Amazon      |
+| Joshua Li         | [joshuali925](https://github.com/joshuali925)     | Amazon      |
+| Shenoy Pratik     | [ps48](https://github.com/ps48)                   | Amazon      |
+| Kavitha Mohan     | [kavithacm](https://github.com/kavithacm)         | Amazon      |
+| Rupal Mahajan     | [rupal-bq](https://github.com/rupal-bq)           | Amazon      |
+| Derek Ho          | [derek-ho](https://github.com/derek-ho)           | Amazon      |
+| Lior Perry        | [YANG-DB](https://github.com/YANG-DB)             | Amazon      |
+| Peter Fitzgibbons | [pjfitzgibbons](https://github.com/pjfitzgibbons) | Amazon      |
+| Simeon Widdis     | [swiddis](https://github.com/swiddis)             | Amazon      |
+| Chen Dai          | [dai-chen](https://github.com/dai-chen)           | Amazon      |
+| Vamsi Manohar     | [vamsi-amazon](https://github.com/vamsi-amazon)   | Amazon      |
+| Peng Huo          | [penghuo](https://github.com/penghuo)             | Amazon      |
+| Sean Kao          | [seankao-az](https://github.com/seankao-az)       | Amazon      |
+
 
 ## Emeritus Maintainers
 
@@ -15,3 +28,7 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 | Charlotte Henkle  | [CEHENKLE](https://github.com/CEHENKLE)                 | Amazon      |
 | Anirudha Jadhav   | [anirudha](https://github.com/anirudha)                 | Amazon      |
 | Nick Knize        | [nknize](https://github.com/nknize)                     | Amazon      |
+| David Cui         | [davidcui1225](https://github.com/davidcui1225)         | Amazon      |
+| Eugene Lee        | [eugenesk24](https://github.com/eugenesk24)             | Amazon      |
+| Zhongnan Su       | [zhongnansu](https://github.com/zhongnansu)             | Amazon      |
+| Sean Li           | [sejli](https://github.com/sejli)                       | Amazon      |