diff --git a/src/edrn.collabgroups/src/edrn/collabgroups/migrations/0006_remove_committee_co_chair_committee_co_chairs.py b/src/edrn.collabgroups/src/edrn/collabgroups/migrations/0006_remove_committee_co_chair_committee_co_chairs.py
new file mode 100644
index 00000000..31b3dcd9
--- /dev/null
+++ b/src/edrn.collabgroups/src/edrn/collabgroups/migrations/0006_remove_committee_co_chair_committee_co_chairs.py
@@ -0,0 +1,29 @@
+# Generated by Django 4.2.14 on 2024-09-10 18:17
+
+from django.db import migrations
+import modelcluster.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("ekeknowledge", "0019_remove_protocol_fieldofresearch_and_more"),
+        ("edrncollabgroups", "0005_committee_documents_heading"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="committee",
+            name="co_chair",
+        ),
+        migrations.AddField(
+            model_name="committee",
+            name="co_chairs",
+            field=modelcluster.fields.ParentalManyToManyField(
+                blank=True,
+                related_name="committees_I_co_chair",
+                to="ekeknowledge.person",
+                verbose_name="Co-Chair(s)",
+            ),
+        ),
+    ]
diff --git a/src/edrn.collabgroups/src/edrn/collabgroups/models.py b/src/edrn.collabgroups/src/edrn/collabgroups/models.py
index 713e7e19..f5018776 100644
--- a/src/edrn.collabgroups/src/edrn/collabgroups/models.py
+++ b/src/edrn.collabgroups/src/edrn/collabgroups/models.py
@@ -125,9 +125,8 @@ class Committee(Page):
         Person, null=True, blank=True, verbose_name='Chair', related_name='committees_I_chair',
         on_delete=models.SET_NULL
     )
-    co_chair = models.ForeignKey(
-        Person, null=True, blank=True, verbose_name='Co-Chair', related_name='committees_I_co_chair',
-        on_delete=models.SET_NULL
+    co_chairs = ParentalManyToManyField(
+        Person, blank=True, verbose_name='Co-Chair(s)', related_name='committees_I_co_chair'
     )
     members = ParentalManyToManyField(
         Person, blank=True, verbose_name='Members', related_name='committees_I_belong_to'
@@ -144,7 +143,7 @@ class Committee(Page):
         FieldPanel('description'),
         FieldPanel('documents_heading'),
         FieldPanel('chair'),
-        FieldPanel('co_chair'),
+        FieldPanel('co_chairs'),
         FieldPanel('members'),
         FieldPanel('program_officers'),
         FieldPanel('project_scientists'),
diff --git a/src/edrn.collabgroups/src/edrn/collabgroups/templates/edrn.collabgroups/committee.html b/src/edrn.collabgroups/src/edrn/collabgroups/templates/edrn.collabgroups/committee.html
index 35053f6b..6f213241 100644
--- a/src/edrn.collabgroups/src/edrn/collabgroups/templates/edrn.collabgroups/committee.html
+++ b/src/edrn.collabgroups/src/edrn/collabgroups/templates/edrn.collabgroups/committee.html
@@ -89,11 +89,19 @@ <h3>Project Scientist{{count|pluralize}}</h3>
                 {% endif %}
             {% endwith %}
 
+            {% with count=page.co_chairs.all|length %}
+                {% if count %}
+                    <h3>Co-Chair{{count|pluralize}}</h3>
+                    <ul class='list-unstyled'>
+                        {% for person in page.co_chairs.all %}
+                            <li><a href='{{person.url}}'>{{person.title}}</a></li>
+                        {% endfor %}
+                    </ul>
+                {% endif %}
+            {% endwith %}
+
+
 
-            {% if page.chair %}
-                <h3>Chair</h3>
-                <p><a href='{{page.chair.url}}'>{{page.chair.title}}</a></p>
-            {% endif %}
             {% if page.co_chair %}
                 <h3 class='mt-2'>Co-Chair</h3>
                 <p><a href='{{page.co_chair.url}}'>{{page.co_chair.title}}</a></p>
diff --git a/src/eke.knowledge/src/eke/knowledge/committees.py b/src/eke.knowledge/src/eke/knowledge/committees.py
index 0e31c6ca..b84d2db5 100644
--- a/src/eke.knowledge/src/eke/knowledge/committees.py
+++ b/src/eke.knowledge/src/eke/knowledge/committees.py
@@ -49,11 +49,10 @@ def ingest(self):
                 person = Person.objects.filter(identifier=new_chair).first()
                 if person:
                     committee.chair = person
-            new_co_chair = predicates.get(_co_chair, [None])[0]
-            if new_co_chair:
-                person = Person.objects.filter(identifier=new_co_chair).first()
-                if person:
-                    committee.co_chair = person
+
+            new_co_chairs = set(predicates.get(_co_chair, []))
+            co_chairs = Person.objects.filter(identifier__in=new_co_chairs).order_by('title')
+            committee.co_chairs.set(co_chairs, bulk=True, clear=True)
             new_members = set(predicates.get(_member, [])) | set(predicates.get(_consultant, []))
             members = Person.objects.filter(identifier__in=new_members).order_by('title')
             committee.members.set(members, bulk=True, clear=True)