diff --git a/generators/cmd/sigs/sig-list.gomd b/generators/cmd/sigs/sig-list.gomd
index 601c41a3..1434bdce 100644
--- a/generators/cmd/sigs/sig-list.gomd
+++ b/generators/cmd/sigs/sig-list.gomd
@@ -55,6 +55,15 @@ Each group's material is in its subdirectory in this project.
 {{ end }}
 {{end}}
 
+{{ if $.Sigs.Workinggroups }}
+### Working Groups
+
+| Name | Label [1] | Chairs [2] | Contact | Meetings |
+|------|-----------|---------|---------|----------|
+{{ range $wg := $.Sigs.Workinggroups }}{{ template "group" $wg }}
+{{ end }}
+{{end}}
+
 {{ if $.Sigs.Committees }}
 ### Committees
 
diff --git a/pkg/sigs/types.go b/pkg/sigs/types.go
index ab7bb2bf..d379e043 100644
--- a/pkg/sigs/types.go
+++ b/pkg/sigs/types.go
@@ -20,26 +20,28 @@
 package sigs
 
 type Sigs struct {
-	Sigs       []*Group `yaml:"sigs"`
-	Usergroups []*Group `yaml:"usergroups"`
-	Committees []*Group `yaml:"committees"`
+	Sigs          []*Group `yaml:"sigs"`
+	Workinggroups []*Group `yaml:"workinggroups"`
+	Usergroups    []*Group `yaml:"usergroups"`
+	Committees    []*Group `yaml:"committees"`
 }
 
 type Group struct {
 	Dir              string
 	Name             string
-	MissionStatement string         `yaml:"mission_statement,omitempty"`
-	Label            string         `yaml:",omitempty"`
-	Leadership       *Leadership    `yaml:",omitempty"`
-	Meetings         []*Meeting     `yaml:",omitempty"`
-	Contact          *Contact       `yaml:",omitempty"`
-	SubProjects      []*SubProjects `yaml:",omitempty"`
+	MissionStatement string        `yaml:"mission_statement,omitempty"`
+	Label            string        `yaml:",omitempty"`
+	Leadership       *Leadership   `yaml:",omitempty"`
+	Meetings         []*Meeting    `yaml:",omitempty"`
+	Contact          *Contact      `yaml:",omitempty"`
+	SubProjects      []*SubProject `yaml:",omitempty"`
 }
 
 type Contact struct {
-	Slack       string  `yaml:"slack"`
-	MailingList string  `yaml:"mailing_list"`
-	Teams       []*Team `yaml:"teams"`
+	Slack       string     `yaml:"slack"`
+	MailingList string     `yaml:"mailing_list"`
+	Teams       []*Team    `yaml:"teams"`
+	Liaison     *OrgMember `yaml:"liaison"`
 }
 
 type Team struct {
@@ -59,16 +61,18 @@ type Meeting struct {
 }
 
 type Leadership struct {
-	Chairs []*Chair
+	Chairs []*OrgMember
 }
 
-type Chair struct {
+type OrgMember struct {
 	Github  string
 	Name    string
-	Company string
+	Company string `yaml:",omitempty"`
 }
 
-type SubProjects struct {
-	Name   string
-	Owners []string
+type SubProject struct {
+	Name        string
+	Description string `yaml:",omitempty"`
+	Owners      []string
+	Leads       []*OrgMember `yaml:",omitempty"`
 }
diff --git a/sig-list.md b/sig-list.md
index f1886910..b441f177 100644
--- a/sig-list.md
+++ b/sig-list.md
@@ -43,6 +43,16 @@ Each group's material is in its subdirectory in this project.
 
 
 
+### Working Groups
+
+| Name | Label [1] | Chairs [2] | Contact | Meetings |
+|------|-----------|---------|---------|----------|
+|[S390x architecture working group](wg-arch-s390x/charter.md) |[wg-arch-s390x](https://github.com/kubevirt/kubevirt/labels/wg-arch-s390x)|<ol><li>[Jan Schintag](https://github.com/jschintag), IBM</li><li>[Cheryl Fillekes](https://github.com/cfilleke), IBM</li><li>[vamsikrishna-siddu](https://github.com/vamsikrishna-siddu), IBM</li></ol> | |<ul></ul> |
+|[ARM architecture working group](wg-arch-arm/charter.md) |[wg-arch-arm](https://github.com/kubevirt/kubevirt/labels/wg-arch-arm)|<ol><li>[Howard Zhang](https://github.com/zhlhahaha), ARM</li></ol> | |<ul></ul> |
+
+
+
+
 
 [1]: https://github.com/kubevirt/project-infra/blob/main/docs/labels.md
 [2]: https://github.com/kubevirt/community/blob/main/membership_policy.md