diff --git a/client/src/components/header/MainNavigationBar.vue b/client/src/components/header/MainNavigationBar.vue
index 836f8f40..8234380e 100644
--- a/client/src/components/header/MainNavigationBar.vue
+++ b/client/src/components/header/MainNavigationBar.vue
@@ -18,6 +18,7 @@ import CoursePreviewBar from "@/components/header/CoursePreviewBar.vue";
 import {
   getCockpitUrl,
   getCompetenceNaviUrl,
+  getLearningMentorManagementUrl,
   getLearningPathUrl,
   getMediaCenterUrl,
 } from "@/utils/utils";
@@ -31,6 +32,7 @@ const notificationsStore = useNotificationsStore();
 const {
   inCockpit,
   inCompetenceProfile,
+  inLearningMentor,
   inCourse,
   inLearningPath,
   inMediaLibrary,
@@ -189,6 +191,19 @@ onMounted(() => {
                     >
                       {{ t("competences.title") }}
                     </router-link>
+
+                    <router-link
+                      data-cy="navigation-learning-mentor-link"
+                      :to="
+                        getLearningMentorManagementUrl(
+                          courseSessionsStore.currentCourseSession.course.slug
+                        )
+                      "
+                      class="nav-item"
+                      :class="{ 'nav-item--active': inLearningMentor() }"
+                    >
+                      {{ t("a.Lernbegleitung") }}
+                    </router-link>
                   </template>
                 </div>
               </template>
diff --git a/client/src/pages/learningMentor/MentorManagementPage.vue b/client/src/pages/learningMentor/MentorManagementPage.vue
new file mode 100644
index 00000000..e444cf55
--- /dev/null
+++ b/client/src/pages/learningMentor/MentorManagementPage.vue
@@ -0,0 +1,88 @@
+<script setup lang="ts">
+import { useFetch } from "@vueuse/core";
+import { useCurrentCourseSession } from "@/composables";
+import ItModal from "@/components/ui/ItModal.vue";
+import { computed, ref } from "vue";
+
+const courseSession = useCurrentCourseSession();
+
+const showInvitationModal = ref(false);
+
+const { data: mentors } = useFetch(
+  `/api/mentor/${courseSession.value.course.id}/mentors`
+).json();
+
+const { data: invitations } = useFetch(
+  `/api/mentor/${courseSession.value.course.id}/invitations`
+).json();
+
+const hasMentors = computed(() => {
+  return (
+    (mentors.value && mentors.value.length > 0) ||
+    (invitations.value && invitations.value.length > 0)
+  );
+});
+</script>
+
+<template>
+  <div class="bg-gray-200">
+    <div class="container-large">
+      <header class="mb-8 mt-12">
+        <h1 class="mb-8">{{ $t("a.Lernbegleitung") }}</h1>
+        <p>
+          {{
+            $t(
+              "a.Hier kannst du Personen einladen, damit sie deine Lernbegleitung werden. Zudem siehst du jederzeit eine Übersicht aller Personen, die du bereits als Lernbegleitung hinzugefügt hast."
+            )
+          }}
+        </p>
+      </header>
+      <main>
+        <div class="bg-white p-6">
+          <div class="mb-8">
+            <button
+              class="btn-secondary flex items-center"
+              @click="showInvitationModal = true"
+            >
+              <it-icon-add class="it-icon mr-2 h-6 w-6" />
+              {{ $t("a.Neue Lernbegleitung einladen") }}
+            </button>
+          </div>
+          <div class="border-t">
+            <div
+              v-for="invitation in invitations"
+              :key="invitation.id"
+              class="flex flex-row justify-between gap-4 border-b py-4"
+            >
+              {{ invitation.email }}
+              <div class="flex items-center">
+                <it-icon-info class="it-icon mr-2 h-6 w-6" />
+                {{ $t("a.Die Einladung wurde noch nicht angenommen.") }}
+              </div>
+              <button class="underline">
+                {{ $t("a.Entfernen") }}
+              </button>
+            </div>
+            <div
+              v-for="mentor in mentors"
+              :key="mentor.id"
+              class="flex flex-col justify-between gap-4 border-b py-4"
+            >
+              {{ mentor.name }}
+            </div>
+          </div>
+          <div v-if="!hasMentors" class="flex items-center">
+            <it-icon-info class="it-icon mr-2 h-6 w-6" />
+            {{
+              $t("a.Aktuell hast du noch keine Person als Lernbegleitung eingeladen.")
+            }}
+          </div>
+        </div>
+      </main>
+    </div>
+    <ItModal v-model="showInvitationModal">
+      <template #title>{{ $t("a.Neue Lernbegleitung einladen") }}</template>
+      <template #body>hallo</template>
+    </ItModal>
+  </div>
+</template>
diff --git a/client/src/router/index.ts b/client/src/router/index.ts
index a9bb8728..9a07c64d 100644
--- a/client/src/router/index.ts
+++ b/client/src/router/index.ts
@@ -121,6 +121,11 @@ const router = createRouter({
         import("../pages/learningPath/learningContentPage/LearningContentPage.vue"),
       props: true,
     },
+    {
+      path: "/course/:courseSlug/mentor",
+      component: () => import("@/pages/learningMentor/MentorManagementPage.vue"),
+      props: true,
+    },
     {
       path: "/course/:courseSlug/cockpit",
       props: true,
diff --git a/client/src/utils/route.ts b/client/src/utils/route.ts
index 8f2a9b69..1ae3c477 100644
--- a/client/src/utils/route.ts
+++ b/client/src/utils/route.ts
@@ -22,6 +22,11 @@ export function useRouteLookups() {
     return regex.test(route.path);
   }
 
+  function inLearningMentor() {
+    const regex = new RegExp("/course/[^/]+/mentor");
+    return regex.test(route.path);
+  }
+
   function inMediaLibrary() {
     const regex = new RegExp("/course/[^/]+/media");
     return regex.test(route.path);
@@ -37,6 +42,7 @@ export function useRouteLookups() {
     inCockpit,
     inLearningPath,
     inCompetenceProfile,
+    inLearningMentor,
     inCourse,
     inAppointments: inAppointments,
   };
diff --git a/client/src/utils/utils.ts b/client/src/utils/utils.ts
index f95ddc5a..75164a9d 100644
--- a/client/src/utils/utils.ts
+++ b/client/src/utils/utils.ts
@@ -14,7 +14,7 @@ function createCourseUrl(courseSlug: string | undefined, specificSub: string): s
     return "/";
   }
 
-  if (["learn", "media", "competence", "cockpit"].includes(specificSub)) {
+  if (["learn", "media", "competence", "cockpit", "mentor"].includes(specificSub)) {
     return `/course/${courseSlug}/${specificSub}`;
   }
   return `/course/${courseSlug}`;
@@ -36,6 +36,10 @@ export function getCockpitUrl(courseSlug: string | undefined): string {
   return createCourseUrl(courseSlug, "cockpit");
 }
 
+export function getLearningMentorManagementUrl(courseSlug: string | undefined): string {
+  return createCourseUrl(courseSlug, "mentor");
+}
+
 export function getAssignmentTypeTitle(assignmentType: AssignmentType): string {
   const { t } = useTranslation();
 
diff --git a/server/vbv_lernwelt/iam/permissions.py b/server/vbv_lernwelt/iam/permissions.py
index c82510fe..e0b0fd92 100644
--- a/server/vbv_lernwelt/iam/permissions.py
+++ b/server/vbv_lernwelt/iam/permissions.py
@@ -1,6 +1,7 @@
 from vbv_lernwelt.core.models import User
 from vbv_lernwelt.course.models import Course, CourseSession, CourseSessionUser
 from vbv_lernwelt.course_session_group.models import CourseSessionGroup
+from vbv_lernwelt.learning_mentor.models import LearningMentor
 from vbv_lernwelt.learnpath.models import LearningSequence
 
 
@@ -137,8 +138,15 @@ def can_view_course_session(user: User, course_session: CourseSession) -> bool:
 
 
 def has_role_in_course(user: User, course: Course) -> bool:
-    """
-    Test for regio leiter, member, trainer...
-    """
-    ...
-    return True
+    if CourseSessionUser.objects.filter(
+        course_session__course=course, user=user
+    ).exists():
+        return True
+
+    if LearningMentor.objects.filter(course=course, mentor=user).exists():
+        return True
+
+    if CourseSessionGroup.objects.filter(course=course, supervisor=user).exists():
+        return True
+
+    return False
diff --git a/server/vbv_lernwelt/iam/tests/__init__.py b/server/vbv_lernwelt/iam/tests/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/server/vbv_lernwelt/iam/tests/test_roles.py b/server/vbv_lernwelt/iam/tests/test_roles.py
new file mode 100644
index 00000000..088d145e
--- /dev/null
+++ b/server/vbv_lernwelt/iam/tests/test_roles.py
@@ -0,0 +1,78 @@
+from django.test import TestCase
+
+from vbv_lernwelt.course.creators.test_utils import (
+    add_course_session_user,
+    create_course,
+    create_course_session,
+    create_user,
+)
+from vbv_lernwelt.course.models import CourseSessionUser
+from vbv_lernwelt.course_session_group.models import CourseSessionGroup
+from vbv_lernwelt.iam.permissions import has_role_in_course
+from vbv_lernwelt.learning_mentor.models import LearningMentor
+
+
+class AnimalTestCase(TestCase):
+    def setUp(self):
+        self.course, _ = create_course("Test Course")
+        self.course_session = create_course_session(
+            course=self.course, title="Test Session"
+        )
+
+        self.user = create_user("user")
+
+    def test_has_role_regional(self):
+        # GIVEN
+        csg = CourseSessionGroup.objects.create(name="Test Group", course=self.course)
+        csg.supervisor.add(self.user)
+
+        # WHEN
+        has_role = has_role_in_course(user=self.user, course=self.course)
+
+        # THEN
+        self.assertTrue(has_role)
+
+    def test_has_role_course_session(self):
+        # GIVEN
+        add_course_session_user(
+            self.course_session,
+            self.user,
+            role=CourseSessionUser.Role.MEMBER,
+        )
+
+        # WHEN
+        has_role = has_role_in_course(user=self.user, course=self.course)
+
+        # THEN
+        self.assertTrue(has_role)
+
+    def test_has_role_mentor(self):
+        # GIVEN
+        LearningMentor.objects.create(
+            mentor=self.user,
+            course=self.course,
+        )
+
+        # WHEN
+        has_role = has_role_in_course(user=self.user, course=self.course)
+
+        # THEN
+        self.assertTrue(has_role)
+
+    def test_no_role(self):
+        # GIVEN
+        other_course, _ = create_course("Other Test Course")
+        other_course_session = create_course_session(
+            course=other_course, title="Other Test Session"
+        )
+        add_course_session_user(
+            other_course_session,
+            self.user,
+            role=CourseSessionUser.Role.MEMBER,
+        )
+
+        # WHEN
+        has_role = has_role_in_course(user=self.user, course=self.course)
+
+        # THEN
+        self.assertFalse(has_role)
diff --git a/server/vbv_lernwelt/learning_mentor/tests/test_invitation.py b/server/vbv_lernwelt/learning_mentor/tests/test_invitation.py
index 34558583..182787f9 100644
--- a/server/vbv_lernwelt/learning_mentor/tests/test_invitation.py
+++ b/server/vbv_lernwelt/learning_mentor/tests/test_invitation.py
@@ -11,7 +11,7 @@ from vbv_lernwelt.course.creators.test_utils import (
     create_user,
 )
 from vbv_lernwelt.course.models import CourseSessionUser
-from vbv_lernwelt.learning_mentor.models import MentorInvitation
+from vbv_lernwelt.learning_mentor.models import LearningMentor, MentorInvitation
 from vbv_lernwelt.notify.email.email_services import EmailTemplate
 
 
@@ -129,17 +129,107 @@ class LearningMentorInvitationTest(APITestCase):
         self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
         self.assertFalse(MentorInvitation.objects.filter(id=invitation.id).exists())
 
-    def test_accept_invitation(self) -> None:
+    def test_accept_invitation_invalid_course(self) -> None:
         # GIVEN
+        other_course, _ = create_course("Other Test Course")
+        other_course_session = create_course_session(
+            course=other_course, title="Other Test Session"
+        )
+        participant_cs_user = add_course_session_user(
+            self.course_session,
+            self.participant,
+            role=CourseSessionUser.Role.MEMBER,
+        )
+
         invitee = create_user("invitee")
+        invitation = MentorInvitation.objects.create(
+            participant=participant_cs_user, email=invitee.email
+        )
         self.client.force_login(invitee)
 
         accept_url = reverse(
-            "create_invitation", kwargs={"course_session_id": self.course_session.id}
+            "accept_invitation", kwargs={"course_session_id": other_course_session.id}
         )
 
         # WHEN
-        response = self.client.get(accept_url)
+        response = self.client.post(accept_url, data={"invitation_id": invitation.id})
 
         # THEN
-        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertEqual(
+            response.data,
+            {
+                "message": "Invalid invitation",
+                "code": "invalidInvitation",
+            },
+        )
+
+    def test_accept_invitation_role_collision(self) -> None:
+        # GIVEN
+        participant_cs_user = add_course_session_user(
+            self.course_session,
+            self.participant,
+            role=CourseSessionUser.Role.MEMBER,
+        )
+
+        invitee = create_user("invitee")
+        invitation = MentorInvitation.objects.create(
+            participant=participant_cs_user, email=invitee.email
+        )
+        # Make invitee a trainer
+        add_course_session_user(
+            self.course_session,
+            invitee,
+            role=CourseSessionUser.Role.EXPERT,
+        )
+
+        self.client.force_login(invitee)
+
+        accept_url = reverse(
+            "accept_invitation", kwargs={"course_session_id": self.course_session.id}
+        )
+
+        # WHEN
+        response = self.client.post(accept_url, data={"invitation_id": invitation.id})
+
+        # THEN
+        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
+        self.assertEqual(
+            response.data,
+            {
+                "message": "User already has a role in this course",
+                "code": "existingRole",
+            },
+        )
+
+    def test_accept_invitation(self) -> None:
+        # GIVEN
+        participant_cs_user = add_course_session_user(
+            self.course_session,
+            self.participant,
+            role=CourseSessionUser.Role.MEMBER,
+        )
+
+        invitee = create_user("invitee")
+        invitation = MentorInvitation.objects.create(
+            participant=participant_cs_user, email=invitee.email
+        )
+
+        self.client.force_login(invitee)
+
+        accept_url = reverse(
+            "accept_invitation", kwargs={"course_session_id": self.course_session.id}
+        )
+
+        # WHEN
+        response = self.client.post(accept_url, data={"invitation_id": invitation.id})
+
+        # THEN
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertFalse(MentorInvitation.objects.filter(id=invitation.id).exists())
+        self.assertTrue(
+            LearningMentor.objects.filter(
+                mentor=invitee, course=self.course, participants=participant_cs_user
+            ).exists()
+        )
+        self.assertEqual(response.data["id"], str(self.participant.id))
diff --git a/server/vbv_lernwelt/learning_mentor/views.py b/server/vbv_lernwelt/learning_mentor/views.py
index 7c9c58b2..3ee73690 100644
--- a/server/vbv_lernwelt/learning_mentor/views.py
+++ b/server/vbv_lernwelt/learning_mentor/views.py
@@ -8,7 +8,7 @@ from rest_framework.response import Response
 
 from vbv_lernwelt.core.serializers import UserSerializer
 from vbv_lernwelt.course.models import CourseSession, CourseSessionUser
-from vbv_lernwelt.iam.permissions import is_course_session_member
+from vbv_lernwelt.iam.permissions import has_role_in_course, is_course_session_member
 from vbv_lernwelt.learning_mentor.content.praxis_assignment import (
     get_praxis_assignments,
 )
@@ -160,13 +160,31 @@ def accept_invitation(request, course_session_id: int):
 
     if invitation.participant.course_session != course_session:
         return Response(
-            data={"message": "Invalid invitation"}, status=status.HTTP_400_BAD_REQUEST
+            data={"message": "Invalid invitation", "code": "invalidInvitation"},
+            status=status.HTTP_400_BAD_REQUEST,
         )
 
-    mentor, _ = LearningMentor.objects.get_or_create(
+    if LearningMentor.objects.filter(
         mentor=request.user, course=course_session.course
-    )
+    ).exists():
+        mentor = LearningMentor.objects.get(
+            mentor=request.user, course=course_session.course
+        )
+    else:
+        if has_role_in_course(request.user, course_session.course):
+            return Response(
+                data={
+                    "message": "User already has a role in this course",
+                    "code": "existingRole",
+                },
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        mentor = LearningMentor.objects.create(
+            mentor=request.user, course=course_session.course
+        )
 
     mentor.participants.add(invitation.participant)
+    invitation.delete()
 
-    return Response({})
+    return Response(UserSerializer(invitation.participant.user).data)