diff --git a/sig-list.md b/sig-list.md
index 8e0345a28..25cf29eb3 100644
--- a/sig-list.md
+++ b/sig-list.md
@@ -48,7 +48,7 @@ When the need arises, a [new SIG can be created](sig-creation-procedure.md)
 |[Service Catalog](sig-service-catalog/README.md)|* [Paul Morie](https://github.com/pmorie), Red Hat<br>* [Aaron Schlesinger](https://github.com/arschles), Microsoft<br>* [Ville Aikas](https://github.com/vaikas-google), Google<br>* [Doug Davis](https://github.com/duglin), IBM<br>|* [Slack](https://kubernetes.slack.com/messages/sig-service-catalog)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-service-catalog)|* [Mondays at 20:00 UTC (weekly)](https://zoom.us/j/7201225346)<br>
 |[Storage](sig-storage/README.md)|* [Saad Ali](https://github.com/saad-ali), Google<br>* [Bradley Childs](https://github.com/childsb), Red Hat<br>|* [Slack](https://kubernetes.slack.com/messages/sig-storage)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-storage)|* [Thursdays at 16:00 UTC (biweekly)](https://zoom.us/j/614261834)<br>
 |[Testing](sig-testing/README.md)|* [Aaron Crickenberger](https://github.com/spiffxp), Samsung SDS<br>* [Erick Feja](https://github.com/fejta), Google<br>* [Timothy St. Clair](https://github.com/timothysc), Heptio<br>|* [Slack](https://kubernetes.slack.com/messages/sig-testing)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-testing)|* [Tuesdays at 20:00 UTC (weekly)](https://zoom.us/j/2419653117)<br>
-|[UI](sig-ui/README.md)|* [Dan Romlein](https://github.com/danielromlein), Apprenda<br>* [Piotr Bryk](https://github.com/bryk), Google<br>|* [Slack](https://kubernetes.slack.com/messages/sig-ui)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-ui)|* [Wednesdays at 14:00 UTC (weekly)](https://groups.google.com/forum/#!forum/kubernetes-sig-ui)<br>
+|[UI](sig-ui/README.md)|* [Dan Romlein](https://github.com/danielromlein), Apprenda<br>* [Sebastian Florek](https://github.com/floreks), Fujitsu<br>|* [Slack](https://kubernetes.slack.com/messages/sig-ui)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-ui)|* [Thursdays at 16:00 UTC (weekly)](https://groups.google.com/forum/#!forum/kubernetes-sig-ui)<br>
 |[Windows](sig-windows/README.md)|* [Michael Michael](https://github.com/michmike), Apprenda<br>|* [Slack](https://kubernetes.slack.com/messages/sig-windows)<br>* [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-windows)|* [Tuesdays at 16:30 UTC (weekly)](https://zoom.us/my/sigwindows)<br>
 
 ### Master Working Group List
diff --git a/sig-ui/README.md b/sig-ui/README.md
index 01bcf04bf..ec46ec5e0 100644
--- a/sig-ui/README.md
+++ b/sig-ui/README.md
@@ -11,14 +11,14 @@ To understand how this file is generated, see generator/README.md.
 Covers all things UI related. Efforts are centered around Kubernetes Dashboard: a general purpose, web-based UI for Kubernetes clusters. It allows users to manage applications running in the cluster and troubleshoot them, as well as manage the cluster itself.
 
 ## Meetings
-* [Wednesdays at 14:00 UTC](https://groups.google.com/forum/#!forum/kubernetes-sig-ui) (weekly). [Convert to your timezone](http://www.thetimezoneconverter.com/?t=14:00&tz=UTC).
+* [Thursdays at 16:00 UTC](https://groups.google.com/forum/#!forum/kubernetes-sig-ui) (weekly). [Convert to your timezone](http://www.thetimezoneconverter.com/?t=16:00&tz=UTC).
 
 Meeting notes and Agenda can be found [here](https://docs.google.com/document/d/1PwHFvqiShLIq8ZpoXvE3dSUnOv1ts5BTtZ7aATuKd-E/edit?usp=sharing).
 Meeting recordings can be found [here]().
 
 ## Leads
 * [Dan Romlein](https://github.com/danielromlein), Apprenda
-* [Piotr Bryk](https://github.com/bryk), Google
+* [Sebastian Florek](https://github.com/floreks), Fujitsu
 
 ## Contact
 * [Slack](https://kubernetes.slack.com/messages/sig-ui)
diff --git a/sigs.yaml b/sigs.yaml
index c0f67d899..def421865 100644
--- a/sigs.yaml
+++ b/sigs.yaml
@@ -660,12 +660,12 @@ sigs:
     - name: Dan Romlein
       github: danielromlein
       company: Apprenda
-    - name: Piotr Bryk
-      github: bryk
-      company: Google
+    - name: Sebastian Florek
+      github: floreks
+      company: Fujitsu
     meetings:
-    - day: Wednesday
-      utc: "14:00"
+    - day: Thursday
+      utc: "16:00"
       frequency: weekly
     meeting_url: https://groups.google.com/forum/#!forum/kubernetes-sig-ui
     meeting_archive_url: https://docs.google.com/document/d/1PwHFvqiShLIq8ZpoXvE3dSUnOv1ts5BTtZ7aATuKd-E/edit?usp=sharing