diff --git a/backend/news/6.feature b/backend/news/6.feature
new file mode 100644
index 0000000..d2f138e
--- /dev/null
+++ b/backend/news/6.feature
@@ -0,0 +1 @@
+Add optional presenter roles behavior to let sessions inherit local roles from their connected presenters @datakurre
diff --git a/backend/src/collective/techevent/behaviors/configure.zcml b/backend/src/collective/techevent/behaviors/configure.zcml
index f79871e..cc43749 100644
--- a/backend/src/collective/techevent/behaviors/configure.zcml
+++ b/backend/src/collective/techevent/behaviors/configure.zcml
@@ -26,4 +26,16 @@
       provides=".session.IEventSession"
       />
 
+  <plone:behavior
+      name="collective.techevent.presenter_roles"
+      title="Tech Event: Apply presenter roles"
+      description=""
+      provides=".presenter.IPresenterLocalRoles"
+      />
+
+  <adapter
+      factory=".presenter.PresenterRoleProvider"
+      name="collective.techevent.presenter_roles"
+      />
+
 </configure>
diff --git a/backend/src/collective/techevent/behaviors/presenter.py b/backend/src/collective/techevent/behaviors/presenter.py
new file mode 100644
index 0000000..ffe69d5
--- /dev/null
+++ b/backend/src/collective/techevent/behaviors/presenter.py
@@ -0,0 +1,57 @@
+from borg.localrole.interfaces import ILocalRoleProvider
+from plone import api
+from z3c.relationfield import RelationValue
+from zope.component import adapter
+from zope.interface import implementer
+from zope.interface import Interface
+
+
+class IPresenterLocalRoles(Interface):
+    """Marker interface for the local roles of a presenter."""
+
+
+@implementer(ILocalRoleProvider)
+@adapter(IPresenterLocalRoles)
+class PresenterRoleProvider:
+    def __init__(self, context):
+        self.context = context
+
+    def getRoles(self, user_id):
+        """
+        Return the roles assigned to the given user ID in the context of presenters for the current event session.
+        """
+        mtool = api.portal.get_tool("portal_membership")
+        user = mtool.getMemberById(user_id)
+        if not user:
+            return []
+        roles = set()
+        presenters = getattr(self.context, "presenters", [])
+        for presenter_relation in presenters:
+            if (
+                isinstance(presenter_relation, RelationValue)
+                and presenter_relation.to_object
+            ):
+                presenter = presenter_relation.to_object
+                roles.update(user.getRolesInContext(presenter))
+        return list(roles)
+
+    def getAllRoles(self):
+        """
+        Retrieve all roles assigned to users in the context of presenters for the current event session.
+
+        This method merges roles from all presenters for each user. It does not consider additional role adapters.
+        """
+        roles = {}
+        presenters = getattr(self.context, "presenters", [])
+        for presenter_relation in presenters:
+            if (
+                isinstance(presenter_relation, RelationValue)
+                and presenter_relation.to_object
+            ):
+                presenter = presenter_relation.to_object
+                local_roles = presenter.get_local_roles()
+                for user_id, user_roles in local_roles:
+                    if user_id not in roles:
+                        roles[user_id] = set()
+                    roles[user_id].update(user_roles)
+        return [(user_id, tuple(user_roles)) for user_id, user_roles in roles.items()]
diff --git a/backend/tests/content_types/schedule/conftest.py b/backend/tests/content_types/schedule/conftest.py
index 3a2fdd5..d45bc93 100644
--- a/backend/tests/content_types/schedule/conftest.py
+++ b/backend/tests/content_types/schedule/conftest.py
@@ -26,3 +26,18 @@ def func(portal_type: str):
         return brains
 
     return func
+
+
+@pytest.fixture
+def enable_presenter_roles():
+    def func(portal: DexterityContent, portal_type: str):
+        with api.env.adopt_roles(["Manager"]):
+            fti = portal.portal_types.get(portal_type)
+            if fti:
+                behaviors = list(fti.behaviors)
+                if "collective.techevent.presenter_roles" not in behaviors:
+                    behaviors.append("collective.techevent.presenter_roles")
+                    fti.behaviors = tuple(behaviors)
+        return fti
+
+    return func
diff --git a/backend/tests/content_types/schedule/test_ct_talk.py b/backend/tests/content_types/schedule/test_ct_talk.py
index e92adf5..b77d3fb 100644
--- a/backend/tests/content_types/schedule/test_ct_talk.py
+++ b/backend/tests/content_types/schedule/test_ct_talk.py
@@ -1,4 +1,8 @@
 from collective.techevent.content.schedule.talk import Talk
+from plone.app.testing import TEST_USER_ID
+from z3c.relationfield import RelationValue
+from zope.component import getUtility
+from zope.intid.interfaces import IIntIds
 
 import pytest
 
@@ -8,6 +12,16 @@ def portal_type() -> str:
     return "Talk"
 
 
+@pytest.fixture
+def test_user(portal):
+    return portal.acl_users.getUserById(TEST_USER_ID)
+
+
+@pytest.fixture
+def intids():
+    return getUtility(IIntIds)
+
+
 class TestContentType:
     @pytest.fixture(autouse=True)
     def _setup(self, container):
@@ -65,3 +79,70 @@ def test_create_version_on_save(
         version = last_version(content_instance)
         assert version.comment is None
         assert version.version_id == 1
+
+
+@pytest.fixture
+def setup_talk_and_presenter(
+    portal,
+    container,
+    intids,
+    content_factory,
+    payloads,
+    portal_type,
+):
+    def _setup(enable_roles=False, enable_presenter_roles=None):
+        if enable_roles and enable_presenter_roles:
+            enable_presenter_roles(portal, portal_type)
+
+        talk = content_factory(container, payloads[portal_type][0])
+        talk.__ac_local_roles__ = {}
+        talk.__ac_local_roles_block__ = True
+
+        presenter = content_factory(portal, payloads["Presenter"][0])
+        presenter.__ac_local_roles_block__ = True
+
+        talk.presenters = [RelationValue(intids.getId(presenter))]
+
+        return talk, presenter
+
+    return _setup
+
+
+class TestPresenterRolesDisabled:
+    @pytest.fixture(autouse=True)
+    def _setup(self, setup_talk_and_presenter):
+        self.talk, self.presenter = setup_talk_and_presenter()
+
+    def test_talk_without_presenter_roles(
+        self,
+        portal,
+        test_user,
+    ):
+        talk_roles = portal.acl_users._getAllLocalRoles(self.talk)
+        presenter_roles = portal.acl_users._getAllLocalRoles(self.presenter)
+
+        assert talk_roles == {}
+        assert presenter_roles != {}
+        assert talk_roles != presenter_roles
+        assert "Owner" not in test_user.getRolesInContext(self.talk)
+
+
+class TestPresenterRolesEnabled:
+    @pytest.fixture(autouse=True)
+    def _setup(self, setup_talk_and_presenter, enable_presenter_roles):
+        self.talk, self.presenter = setup_talk_and_presenter(
+            enable_roles=True, enable_presenter_roles=enable_presenter_roles
+        )
+
+    def test_talk_with_presenter_roles(
+        self,
+        portal,
+        test_user,
+    ):
+        talk_roles = portal.acl_users._getAllLocalRoles(self.talk)
+        presenter_roles = portal.acl_users._getAllLocalRoles(self.presenter)
+
+        assert talk_roles != {}
+        assert presenter_roles != {}
+        assert talk_roles == presenter_roles
+        assert "Owner" in test_user.getRolesInContext(self.talk)
diff --git a/backend/tests/services/conftest.py b/backend/tests/services/conftest.py
index 7bdb32c..da31d65 100644
--- a/backend/tests/services/conftest.py
+++ b/backend/tests/services/conftest.py
@@ -15,7 +15,7 @@ def portal(functional):
     portal = functional["portal"]
     setSite(portal)
     tool: SetupTool = api.portal.get_tool("portal_setup")
-    with api.env.adopt_roles(["Manager", "Member"]):
+    with api.env.adopt_roles(["Manager"]):
         tool.runAllImportStepsFromProfile(f"{PACKAGE_NAME}:demo")
     transaction.commit()
     return portal