diff --git a/app/domain/jubla/role/null_alumnus_manager.rb b/app/domain/jubla/role/null_alumnus_manager.rb
new file mode 100644
index 00000000..52d50e76
--- /dev/null
+++ b/app/domain/jubla/role/null_alumnus_manager.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+#  Copyright (c) 2024-2024, Jungwacht Blauring Schweiz. This file is part of
+#  hitobito_jubla and licensed under the Affero General Public License version 3
+#  or later. See the COPYING file at the top-level directory or at
+#  https://github.com/hitobito/hitobito_jubla.
+
+# Implementation of the NullObject-Pattern
+#
+# Mimics an AlumnusManager, but does nothing. Intended as a temporary drop-in
+# to gradually phase out the previous alumnus-logic
+module Jubla::Role
+  class NullAlumnusManager
+    def create = true
+
+    def destroy = true
+  end
+end
diff --git a/app/models/group/kanton_ehemaligenverein.rb b/app/models/group/kanton_ehemaligenverein.rb
index 2f1f12dd..21e77849 100644
--- a/app/models/group/kanton_ehemaligenverein.rb
+++ b/app/models/group/kanton_ehemaligenverein.rb
@@ -8,31 +8,31 @@
 class Group::KantonEhemaligenverein < ::Group
   ### ROLES
 
-  class Leader < ::Role
+  class Leader < ::NejbRole
     self.permissions = [:group_and_below_full, :contact_data]
   end
 
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:group_and_below_full]
   end
 
-  class Treasurer < ::Role
+  class Treasurer < ::NejbRole
     self.permissions = [:group_and_below_read]
   end
 
-  class NejbMember < ::Role
+  class NejbMember < ::NejbRole
     self.permissions = [:group_read]
   end
 
-  class NejbJoiner < ::Role
+  class NejbJoiner < ::NejbRole
     self.permissions = []
   end
 
-  class External < ::Role
+  class External < ::NejbRole
     self.permissions = []
   end
 
-  class DispatchAddress < ::Role
+  class DispatchAddress < ::NejbRole
     self.permissions = []
   end
 
diff --git a/app/models/group/nejb.rb b/app/models/group/nejb.rb
index 57267350..53817507 100644
--- a/app/models/group/nejb.rb
+++ b/app/models/group/nejb.rb
@@ -13,15 +13,15 @@ class Group::Nejb < ::Group
 
   ### ROLES
 
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:group_full]
   end
 
-  class DispatchAddress < ::Role
+  class DispatchAddress < ::NejbRole
     self.permissions = []
   end
 
-  class ITSupport < ::Role
+  class ITSupport < ::NejbRole
     self.permissions = [:admin, :impersonation]
   end
 
diff --git a/app/models/group/nejb_bundesleitung.rb b/app/models/group/nejb_bundesleitung.rb
index 98b84df5..d6ed0a17 100644
--- a/app/models/group/nejb_bundesleitung.rb
+++ b/app/models/group/nejb_bundesleitung.rb
@@ -6,7 +6,7 @@
 #  https://github.com/hitobito/hitobito_jubla.
 
 class Group::NejbBundesleitung < ::Group
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:admin, :layer_and_below_full, :contact_data]
   end
 
diff --git a/app/models/group/nejb_kanton.rb b/app/models/group/nejb_kanton.rb
index 237362fe..f3754396 100644
--- a/app/models/group/nejb_kanton.rb
+++ b/app/models/group/nejb_kanton.rb
@@ -9,7 +9,7 @@ class Group::NejbKanton < ::Group
   children Group::KantonEhemaligenverein, Group::NejbRegion
   self.layer = true
 
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:admin, :layer_and_below_full, :contact_data]
   end
 
diff --git a/app/models/group/nejb_region.rb b/app/models/group/nejb_region.rb
index 6d7a9a51..0c272009 100644
--- a/app/models/group/nejb_region.rb
+++ b/app/models/group/nejb_region.rb
@@ -9,7 +9,7 @@ class Group::NejbRegion < ::Group
   children Group::RegionEhemaligenverein, Group::NejbSchar
   self.layer = true
 
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:admin, :layer_and_below_full, :contact_data]
   end
 
diff --git a/app/models/group/nejb_schar.rb b/app/models/group/nejb_schar.rb
index a1f7db84..6159b4a7 100644
--- a/app/models/group/nejb_schar.rb
+++ b/app/models/group/nejb_schar.rb
@@ -10,31 +10,31 @@ class Group::NejbSchar < ::Group
 
   ### ROLES
 
-  class Leader < ::Role
+  class Leader < ::NejbRole
     self.permissions = [:group_and_below_full, :contact_data]
   end
 
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:group_and_below_full]
   end
 
-  class Treasurer < ::Role
+  class Treasurer < ::NejbRole
     self.permissions = [:group_and_below_read]
   end
 
-  class NejbMember < ::Role
+  class NejbMember < ::NejbRole
     self.permissions = [:group_read]
   end
 
-  class NejbJoiner < ::Role
+  class NejbJoiner < ::NejbRole
     self.permissions = []
   end
 
-  class External < ::Role
+  class External < ::NejbRole
     self.permissions = []
   end
 
-  class DispatchAddress < ::Role
+  class DispatchAddress < ::NejbRole
     self.permissions = []
   end
 
diff --git a/app/models/group/netzwerk_ehemalige_jungwacht_blauring.rb b/app/models/group/netzwerk_ehemalige_jungwacht_blauring.rb
index c599be58..f3370bff 100644
--- a/app/models/group/netzwerk_ehemalige_jungwacht_blauring.rb
+++ b/app/models/group/netzwerk_ehemalige_jungwacht_blauring.rb
@@ -8,39 +8,39 @@
 class Group::NetzwerkEhemaligeJungwachtBlauring < ::Group
   ### ROLES
 
-  class Leader < ::Role
+  class Leader < ::NejbRole
     self.permissions = [:group_and_below_full, :contact_data]
   end
 
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:group_and_below_full]
   end
 
-  class Treasurer < ::Role
+  class Treasurer < ::NejbRole
     self.permissions = [:group_and_below_read]
   end
 
-  class ActiveMember < ::Role
+  class ActiveMember < ::NejbRole
     self.permissions = [:group_read]
   end
 
-  class PassiveMember < ::Role
+  class PassiveMember < ::NejbRole
     self.permissions = [:group_read]
   end
 
-  class CollectiveMember < ::Role
+  class CollectiveMember < ::NejbRole
     self.permissions = [:group_read]
   end
 
-  class NejbJoiner < ::Role
+  class NejbJoiner < ::NejbRole
     self.permissions = []
   end
 
-  class External < ::Role
+  class External < ::NejbRole
     self.permissions = []
   end
 
-  class DispatchAddress < ::Role
+  class DispatchAddress < ::NejbRole
     self.permissions = []
   end
 
diff --git a/app/models/group/region_ehemaligenverein.rb b/app/models/group/region_ehemaligenverein.rb
index f7933360..1faf80f0 100644
--- a/app/models/group/region_ehemaligenverein.rb
+++ b/app/models/group/region_ehemaligenverein.rb
@@ -8,31 +8,31 @@
 class Group::RegionEhemaligenverein < ::Group
   ### ROLES
 
-  class Leader < ::Role
+  class Leader < ::NejbRole
     self.permissions = [:group_and_below_full, :contact_data]
   end
 
-  class GroupAdmin < ::Role
+  class GroupAdmin < ::NejbRole
     self.permissions = [:group_and_below_full]
   end
 
-  class Treasurer < ::Role
+  class Treasurer < ::NejbRole
     self.permissions = [:group_and_below_read]
   end
 
-  class NejbMember < ::Role
+  class NejbMember < ::NejbRole
     self.permissions = [:group_read]
   end
 
-  class NejbJoiner < ::Role
+  class NejbJoiner < ::NejbRole
     self.permissions = []
   end
 
-  class External < ::Role
+  class External < ::NejbRole
     self.permissions = []
   end
 
-  class DispatchAddress < ::Role
+  class DispatchAddress < ::NejbRole
     self.permissions = []
   end
 
diff --git a/app/models/group/root.rb b/app/models/group/root.rb
index 4243abb7..9fef9a92 100644
--- a/app/models/group/root.rb
+++ b/app/models/group/root.rb
@@ -9,22 +9,16 @@ class Group::Root < ::Group
   self.layer = true
   self.event_types = []
 
-  class NullAlumnusManager
-    def create = true
-
-    def destroy = true
-  end
-
   class Admin < ::Role
     self.permissions = [:layer_and_below_full, :admin]
     self.two_factor_authentication_enforced = true
 
-    def skip_alumnus_callbacks
+    def skip_alumnus_callback
       true
     end
 
     def alumnus_manager
-      @alumnus_manager ||= NullAlumnusManager.new
+      @alumnus_manager ||= Jubla::Role::NullAlumnusManager.new
     end
   end
 
diff --git a/app/models/nejb_role.rb b/app/models/nejb_role.rb
new file mode 100644
index 00000000..20334d53
--- /dev/null
+++ b/app/models/nejb_role.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+#  Copyright (c) 2024-2024, Jungwacht Blauring Schweiz. This file is part of
+#  hitobito_jubla and licensed under the Affero General Public License version 3
+#  or later. See the COPYING file at the top-level directory or at
+#  https://github.com/hitobito/hitobito_jubla.
+
+class NejbRole < Role
+  module AlumnusFreeRole
+    def skip_alumnus_callback
+      true
+    end
+
+    def alumnus_manager
+      @alumnus_manager ||= Jubla::Role::NullAlumnusManager.new
+    end
+  end
+  include AlumnusFreeRole
+end
diff --git a/spec/domain/jubla/role/null_alumnus_manager_spec.rb b/spec/domain/jubla/role/null_alumnus_manager_spec.rb
new file mode 100644
index 00000000..49902a31
--- /dev/null
+++ b/spec/domain/jubla/role/null_alumnus_manager_spec.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+#  Copyright (c) 2024-2024, Jungwacht Blauring Schweiz. This file is part of
+#  hitobito_jubla and licensed under the Affero General Public License version 3
+#  or later. See the COPYING file at the top-level directory or at
+#  https://github.com/hitobito/hitobito_jubla.
+
+require "spec_helper"
+
+describe Jubla::Role::NullAlumnusManager do
+  it "has a create-method" do
+    expect(subject.create).to be_truthy
+  end
+
+  it "has a destroy-method" do
+    expect(subject.destroy).to be_truthy
+  end
+end
diff --git a/spec/models/nejb_role_spec.rb b/spec/models/nejb_role_spec.rb
new file mode 100644
index 00000000..93b25976
--- /dev/null
+++ b/spec/models/nejb_role_spec.rb
@@ -0,0 +1,34 @@
+#  Copyright (c) 2012-2024, Jungwacht Blauring Schweiz. This file is part of
+#  hitobito_jubla and licensed under the Affero General Public License version 3
+#  or later. See the COPYING file at the top-level directory or at
+#  https://github.com/hitobito/hitobito_jubla.
+
+require "spec_helper"
+
+describe NejbRole do
+  it "is a Role" do
+    expect(subject).to be_a Role
+  end
+
+  it "is a Jubla::Role" do
+    expect(subject).to be_a Jubla::Role
+  end
+
+  it "disables the alumnus-callback" do
+    expect(subject.skip_alumnus_callback).to be_truthy
+  end
+
+  it "uses the NullAlumnusManager" do
+    expect(subject.alumnus_manager).to be_a Jubla::Role::NullAlumnusManager
+  end
+
+  %w[
+    Group::NejbSchar::GroupAdmin
+  ].each do |role|
+    context role do
+      it "is a NeJbRole" do
+        expect(role.safe_constantize.new).to be_a NejbRole
+      end
+    end
+  end
+end