diff --git a/app/assets/images/osuny.png b/app/assets/images/osuny.png
new file mode 100644
index 0000000000000000000000000000000000000000..7d4b4f9c9a2966a8c30647d056e632739173f998
Binary files /dev/null and b/app/assets/images/osuny.png differ
diff --git a/app/models/university/person/involvement.rb b/app/models/university/person/involvement.rb
index 457e15f307097575885b8fc6e99cc22bb271f8f8..8cc875a66c538f7a9ed09f04e97380021e56f6e3 100644
--- a/app/models/university/person/involvement.rb
+++ b/app/models/university/person/involvement.rb
@@ -34,6 +34,7 @@ class University::Person::Involvement < ApplicationRecord
   belongs_to :target, polymorphic: true
 
   validates :person_id, uniqueness: { scope: [:target_id, :target_type] }
+  validates :target_id, uniqueness: { scope: [:person_id, :target_type] }
 
   before_validation :set_kind, on: :create
   before_validation :set_university_id, on: :create
diff --git a/app/views/admin/education/teachers/edit.html.erb b/app/views/admin/education/teachers/edit.html.erb
index 397ecd8c8ce2561d4bd51dae450374c8fe7c9c0f..769b9ea4c9bf132a798d30c94e4793a829f28f67 100644
--- a/app/views/admin/education/teachers/edit.html.erb
+++ b/app/views/admin/education/teachers/edit.html.erb
@@ -1,3 +1,5 @@
+<% content_for :title, @teacher %>
+
 <%= simple_form_for [:admin, @teacher], url: admin_education_teacher_path(@teacher) do |f| %>
   <div class="card flex-fill w-100">
     <div class="card-header">
diff --git a/app/views/admin/education/teachers/show.html.erb b/app/views/admin/education/teachers/show.html.erb
index 8b87f028140c51b5c46f4d6bec74e1d24375e114..6430d8c3dc9350b6fb602c64a68e51ab653fc321 100644
--- a/app/views/admin/education/teachers/show.html.erb
+++ b/app/views/admin/education/teachers/show.html.erb
@@ -44,5 +44,5 @@
 <% end %>
 
 <% content_for :action_bar_right do %>
-  <%= link_to t('edit'), edit_admin_education_teacher_path(@teacher), class: button_classes if can?(:manage, University::Person::Involvement) %>
+  <%= link_to t('education.manage_programs'), edit_admin_education_teacher_path(@teacher), class: button_classes if can?(:manage, University::Person::Involvement) %>
 <% end %>
diff --git a/config/locales/education/en.yml b/config/locales/education/en.yml
index 9b3b6540cdb16175466a0ef9969f7c2b2f72b206..ae65263548c98696aba87606c29fe3ca777d5556 100644
--- a/config/locales/education/en.yml
+++ b/config/locales/education/en.yml
@@ -50,6 +50,8 @@ en:
         websites: Associated websites
         zipcode: Zipcode
   education:
+    manage_programs: Manage programs
+    manage_roles: Manage roles
     manage_teachers: Manage teachers
     number_of_programs: Number of programs
     program:
@@ -59,6 +61,8 @@ en:
     roles:
       one: Role
       other: Roles
+    schools:
+      manage_roles: Manage the team
     teachers:
       one: Teacher
       other: Teachers
diff --git a/config/locales/education/fr.yml b/config/locales/education/fr.yml
index 8e4f1f77b8a282d2ffea69a58b21f9b2f3573a93..132a500f74d4fad39917ed6aa0411102450e92bf 100644
--- a/config/locales/education/fr.yml
+++ b/config/locales/education/fr.yml
@@ -50,6 +50,7 @@ fr:
         websites: Sites webs associés
         zipcode: Code postal
   education:
+    manage_programs: Gérer les formations
     manage_roles: Gérer les rôles
     manage_teachers: Gérer les enseignants·es
     number_of_programs: Nombre de formations
diff --git a/config/locales/university/en.yml b/config/locales/university/en.yml
index 7a266ed3c85f8837fdd1640a974fcab201720641..2a332ee980a066fc29d622f280313f73ae96769b 100644
--- a/config/locales/university/en.yml
+++ b/config/locales/university/en.yml
@@ -35,6 +35,9 @@ en:
         slug: Slug
         tenure: Have tenure?
         user: User
+      university/person/involvement:
+        person: Person
+        target_id: ''
       university/role:
         description: Description
         people: People
diff --git a/config/locales/university/fr.yml b/config/locales/university/fr.yml
index bee1ae6c482349a66f567db33598bc8db5f49935..5bb3fa4fee399807288e31ce3aaf81d4a5049756 100644
--- a/config/locales/university/fr.yml
+++ b/config/locales/university/fr.yml
@@ -35,6 +35,9 @@ fr:
         slug: Slug
         tenure: Titulaire ?
         user: Utilisateur
+      university/person/involvement:
+        person: Personne
+        target_id: ''
       university/role:
         description: Description
         people: Personnes