diff --git a/OWNERS_ALIASES b/OWNERS_ALIASES
index 12ad082f53a..bc2c545dd60 100644
--- a/OWNERS_ALIASES
+++ b/OWNERS_ALIASES
@@ -119,6 +119,7 @@ aliases:
     - xmcqueen
   sig-ui-leads:
     - floreks
+    - joaquimrocha
     - maciaszczykm
     - shu-mutou
   sig-windows-leads:
diff --git a/sig-list.md b/sig-list.md
index d64a2dd6c4e..3e4af51001a 100644
--- a/sig-list.md
+++ b/sig-list.md
@@ -54,7 +54,7 @@ When the need arises, a [new SIG can be created](sig-wg-lifecycle.md)
 |[Security](sig-security/README.md)|[security](https://github.com/kubernetes/kubernetes/labels/sig%2Fsecurity)|* [Ian Coldwater](https://github.com/IanColdwater), Docker<br>* [Cailyn Edwards](https://github.com/cailyn-codes), Okta<br>* [Tabitha Sable](https://github.com/tabbysable), Datadog<br>|* [Slack](https://kubernetes.slack.com/messages/sig-security)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-security)|* Regular SIG Meeting: [Fridays at 8:00 PT (Pacific Time) (biweekly)](https://zoom.us/j/9934z1184192?pwd=L25Tc0ZOL3FqU09KNERlTU12dFhTQT09)<br>
 |[Storage](sig-storage/README.md)|[storage](https://github.com/kubernetes/kubernetes/labels/sig%2Fstorage)|* [Saad Ali](https://github.com/saad-ali), Google<br>* [Xing Yang](https://github.com/xing-yang), VMware<br>|* [Slack](https://kubernetes.slack.com/messages/sig-storage)<br>* [Mailing List](https://groups.google.com/a/kubernetes.io/g/sig-storage)|* Regular CSI Implementation Meeting: [Mondays at 10:00 PT (Pacific Time) (weekly)](https://zoom.us/j/614261834)<br>* Regular SIG Issue Triage Meeting: [Wednesdays at 10:00 PT (Pacific Time) (weekly)](https://zoom.us/j/614261834)<br>* Regular SIG Meeting: [Thursdays at 9:00 PT (Pacific Time) (biweekly)](https://zoom.us/j/614261834)<br>
 |[Testing](sig-testing/README.md)|[testing](https://github.com/kubernetes/kubernetes/labels/sig%2Ftesting)|* [Brady Pratt](https://github.com/jbpratt), Red Hat<br>* [Michelle Shepardson](https://github.com/michelle192837), Google<br>* [Brian McQueen](https://github.com/xmcqueen), LinkedIn<br>|* [Slack](https://kubernetes.slack.com/messages/sig-testing)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-testing)|* Hydrophone Office Hours: [Tuesdays at 13:00 PT (Pacific Time) (bi-weekly starting Tuesday April 16, 2024)](https://zoom.us/j/92022289212?pwd=VU5UWEtuU3ZYTmlYS3hSU3hLbTA0Zz09)<br>* SIG Testing Bi-Weekly Meeting: [Tuesdays at 10:00 PT (Pacific Time) (bi-weekly starting Tuesday August 13, 2019)](https://zoom.us/j/135450138?pwd=WGJyaVZzekJCWFBTMGJGTXVjUFJaUT09)<br>
-|[UI](sig-ui/README.md)|[ui](https://github.com/kubernetes/kubernetes/labels/sig%2Fui)|* [Sebastian Florek](https://github.com/floreks), Plural<br>* [Marcin Maciaszczyk](https://github.com/maciaszczykm), Plural<br>* [Shu Muto](https://github.com/shu-mutou), NEC<br>|* [Slack](https://kubernetes.slack.com/messages/sig-ui)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-ui)|
+|[UI](sig-ui/README.md)|[ui](https://github.com/kubernetes/kubernetes/labels/sig%2Fui)|* [Sebastian Florek](https://github.com/floreks), Plural<br>* [Joaquim Rocha](https://github.com/joaquimrocha), Microsoft<br>* [Marcin Maciaszczyk](https://github.com/maciaszczykm), Plural<br>* [Shu Muto](https://github.com/shu-mutou), NEC<br>|* [Slack](https://kubernetes.slack.com/messages/sig-ui)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-ui)|
 |[Windows](sig-windows/README.md)|[windows](https://github.com/kubernetes/kubernetes/labels/sig%2Fwindows)|* [Aravindh Puthiyaparambil](https://github.com/aravindhp), Softdrive Technologies Group Inc.<br>* [Mark Rossetti](https://github.com/marosset), Microsoft<br>|* [Slack](https://kubernetes.slack.com/messages/sig-windows)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-windows)|* Backlog Refinement  / Bug Triage Meeting: [Thursdays at 12:30 Eastern Time (ET) (biweekly)](https://zoom.us/j/94389601840?pwd=MCs2SEJQWG0zUWpBS3Nod0ZNMmVXQT09)<br>* Regular SIG Meeting: [Tuesdays at 12:30 Eastern Time (ET) (weekly)](https://zoom.us/j/96892680257?pwd=TVNyMzB4VVMwRGZnUkgzT1dnb2szZz09)<br>* Weekly CI Meeting: [Tuesdays at 12:15 Eastern Time (ET) (weekly)](https://zoom.us/j/96892680257?pwd=TVNyMzB4VVMwRGZnUkgzT1dnb2szZz09)<br>
 
 ### Working Groups
diff --git a/sig-ui/README.md b/sig-ui/README.md
index f155aed49e7..2c22f71ccb2 100644
--- a/sig-ui/README.md
+++ b/sig-ui/README.md
@@ -20,6 +20,7 @@ The [charter](charter.md) defines the scope and governance of the UI Special Int
 The Chairs of the SIG run operations and processes governing the SIG.
 
 * Sebastian Florek (**[@floreks](https://github.com/floreks)**), Plural
+* Joaquim Rocha (**[@joaquimrocha](https://github.com/joaquimrocha)**), Microsoft
 * Marcin Maciaszczyk (**[@maciaszczykm](https://github.com/maciaszczykm)**), Plural
 * Shu Muto (**[@shu-mutou](https://github.com/shu-mutou)**), NEC
 
diff --git a/sigs.yaml b/sigs.yaml
index 391618f33e9..f50f9e16399 100644
--- a/sigs.yaml
+++ b/sigs.yaml
@@ -3321,6 +3321,10 @@ sigs:
           name: Sebastian Florek
           company: Plural
           email: sebastian@plural.sh
+        - github: joaquimrocha
+          name: Joaquim Rocha
+          company: Microsoft
+          email: me@joaquimrocha.com
         - github: maciaszczykm
           name: Marcin Maciaszczyk
           company: Plural