diff --git a/dev.db b/dev.db
index 13481d7..06fbd62 100644
Binary files a/dev.db and b/dev.db differ
diff --git a/src/actions/moving-motivators.ts b/src/actions/moving-motivators.ts
index 3ebff87..139e8c2 100644
--- a/src/actions/moving-motivators.ts
+++ b/src/actions/moving-motivators.ts
@@ -49,6 +49,7 @@ export async function updateMotivatorSession(
 
     revalidatePath(`/motivators/${sessionId}`);
     revalidatePath('/motivators');
+    revalidatePath('/sessions'); // Also revalidate unified workshops page
     return { success: true };
   } catch (error) {
     console.error('Error updating motivator session:', error);
@@ -65,6 +66,7 @@ export async function deleteMotivatorSession(sessionId: string) {
   try {
     await motivatorsService.deleteMotivatorSession(sessionId, authSession.user.id);
     revalidatePath('/motivators');
+    revalidatePath('/sessions'); // Also revalidate unified workshops page
     return { success: true };
   } catch (error) {
     console.error('Error deleting motivator session:', error);
diff --git a/src/actions/session.ts b/src/actions/session.ts
index 9108296..73ec155 100644
--- a/src/actions/session.ts
+++ b/src/actions/session.ts
@@ -70,6 +70,46 @@ export async function updateSessionCollaborator(sessionId: string, collaborator:
   }
 }
 
+export async function updateSwotSession(
+  sessionId: string,
+  data: { title?: string; collaborator?: string }
+) {
+  const session = await auth();
+  if (!session?.user?.id) {
+    return { success: false, error: 'Non autorisé' };
+  }
+
+  if (data.title !== undefined && !data.title.trim()) {
+    return { success: false, error: 'Le titre ne peut pas être vide' };
+  }
+
+  if (data.collaborator !== undefined && !data.collaborator.trim()) {
+    return { success: false, error: 'Le nom du collaborateur ne peut pas être vide' };
+  }
+
+  try {
+    const updateData: { title?: string; collaborator?: string } = {};
+    if (data.title) updateData.title = data.title.trim();
+    if (data.collaborator) updateData.collaborator = data.collaborator.trim();
+
+    const result = await sessionsService.updateSession(sessionId, session.user.id, updateData);
+
+    if (result.count === 0) {
+      return { success: false, error: 'Session non trouvée ou non autorisé' };
+    }
+
+    // Emit event for real-time sync
+    await sessionsService.createSessionEvent(sessionId, session.user.id, 'SESSION_UPDATED', updateData);
+
+    revalidatePath(`/sessions/${sessionId}`);
+    revalidatePath('/sessions');
+    return { success: true };
+  } catch (error) {
+    console.error('Error updating session:', error);
+    return { success: false, error: 'Erreur lors de la mise à jour' };
+  }
+}
+
 export async function deleteSwotSession(sessionId: string) {
   const session = await auth();
   if (!session?.user?.id) {
diff --git a/src/app/sessions/WorkshopTabs.tsx b/src/app/sessions/WorkshopTabs.tsx
index 4742598..9f3bda6 100644
--- a/src/app/sessions/WorkshopTabs.tsx
+++ b/src/app/sessions/WorkshopTabs.tsx
@@ -2,11 +2,11 @@
 
 import { useState, useTransition } from 'react';
 import Link from 'next/link';
-import { Card, Badge, Button, Modal, ModalFooter } from '@/components/ui';
-import { deleteSwotSession } from '@/actions/session';
-import { deleteMotivatorSession } from '@/actions/moving-motivators';
+import { Card, Badge, Button, Modal, ModalFooter, Input } from '@/components/ui';
+import { deleteSwotSession, updateSwotSession } from '@/actions/session';
+import { deleteMotivatorSession, updateMotivatorSession } from '@/actions/moving-motivators';
 
-type WorkshopType = 'all' | 'swot' | 'motivators';
+type WorkshopType = 'all' | 'swot' | 'motivators' | 'byPerson';
 
 interface ShareUser {
   id: string;
@@ -53,6 +53,38 @@ interface WorkshopTabsProps {
   motivatorSessions: MotivatorSession[];
 }
 
+// Helper to get participant name from any session
+function getParticipant(session: AnySession): string {
+  return session.workshopType === 'swot'
+    ? (session as SwotSession).collaborator
+    : (session as MotivatorSession).participant;
+}
+
+// Group sessions by participant
+function groupByPerson(sessions: AnySession[]): Map<string, AnySession[]> {
+  const grouped = new Map<string, AnySession[]>();
+  
+  sessions.forEach((session) => {
+    const participant = getParticipant(session).trim().toLowerCase();
+    const displayName = getParticipant(session).trim();
+    
+    // Use normalized key but store with original display name
+    const existing = grouped.get(participant);
+    if (existing) {
+      existing.push(session);
+    } else {
+      grouped.set(participant, [session]);
+    }
+  });
+  
+  // Sort sessions within each group by date
+  grouped.forEach((sessions) => {
+    sessions.sort((a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime());
+  });
+  
+  return grouped;
+}
+
 export function WorkshopTabs({ swotSessions, motivatorSessions }: WorkshopTabsProps) {
   const [activeTab, setActiveTab] = useState<WorkshopType>('all');
 
@@ -61,9 +93,9 @@ export function WorkshopTabs({ swotSessions, motivatorSessions }: WorkshopTabsPr
     (a, b) => new Date(b.updatedAt).getTime() - new Date(a.updatedAt).getTime()
   );
 
-  // Filter based on active tab
+  // Filter based on active tab (for non-byPerson tabs)
   const filteredSessions =
-    activeTab === 'all'
+    activeTab === 'all' || activeTab === 'byPerson'
       ? allSessions
       : activeTab === 'swot'
         ? swotSessions
@@ -73,10 +105,16 @@ export function WorkshopTabs({ swotSessions, motivatorSessions }: WorkshopTabsPr
   const ownedSessions = filteredSessions.filter((s) => s.isOwner);
   const sharedSessions = filteredSessions.filter((s) => !s.isOwner);
 
+  // Group by person (all sessions - owned and shared)
+  const sessionsByPerson = groupByPerson(allSessions);
+  const sortedPersons = Array.from(sessionsByPerson.entries()).sort((a, b) =>
+    a[0].localeCompare(b[0], 'fr')
+  );
+
   return (
     <div className="space-y-6">
       {/* Tabs */}
-      <div className="flex gap-2 border-b border-border pb-4">
+      <div className="flex gap-2 border-b border-border pb-4 flex-wrap">
         <TabButton
           active={activeTab === 'all'}
           onClick={() => setActiveTab('all')}
@@ -84,6 +122,13 @@ export function WorkshopTabs({ swotSessions, motivatorSessions }: WorkshopTabsPr
           label="Tous"
           count={allSessions.length}
         />
+        <TabButton
+          active={activeTab === 'byPerson'}
+          onClick={() => setActiveTab('byPerson')}
+          icon="👥"
+          label="Par personne"
+          count={sessionsByPerson.size}
+        />
         <TabButton
           active={activeTab === 'swot'}
           onClick={() => setActiveTab('swot')}
@@ -101,7 +146,38 @@ export function WorkshopTabs({ swotSessions, motivatorSessions }: WorkshopTabsPr
       </div>
 
       {/* Sessions */}
-      {filteredSessions.length === 0 ? (
+      {activeTab === 'byPerson' ? (
+        // By Person View
+        sortedPersons.length === 0 ? (
+          <div className="text-center py-12 text-muted">
+            Aucun atelier pour le moment
+          </div>
+        ) : (
+          <div className="space-y-8">
+            {sortedPersons.map(([personKey, sessions]) => {
+              const displayName = getParticipant(sessions[0]);
+              return (
+                <section key={personKey}>
+                  <h2 className="text-lg font-semibold text-foreground mb-4 flex items-center gap-2">
+                    <span className="w-8 h-8 rounded-full bg-primary/10 flex items-center justify-center text-primary text-sm">
+                      {displayName.charAt(0).toUpperCase()}
+                    </span>
+                    {displayName}
+                    <Badge variant="primary" className="ml-2">
+                      {sessions.length}
+                    </Badge>
+                  </h2>
+                  <div className="grid gap-4 md:grid-cols-2 lg:grid-cols-3">
+                    {sessions.map((s) => (
+                      <SessionCard key={s.id} session={s} />
+                    ))}
+                  </div>
+                </section>
+              );
+            })}
+          </div>
+        )
+      ) : filteredSessions.length === 0 ? (
         <div className="text-center py-12 text-muted">
           Aucun atelier de ce type pour le moment
         </div>
@@ -175,7 +251,16 @@ function TabButton({
 
 function SessionCard({ session }: { session: AnySession }) {
   const [showDeleteModal, setShowDeleteModal] = useState(false);
+  const [showEditModal, setShowEditModal] = useState(false);
   const [isPending, startTransition] = useTransition();
+  
+  // Edit form state
+  const [editTitle, setEditTitle] = useState(session.title);
+  const [editParticipant, setEditParticipant] = useState(
+    session.workshopType === 'swot'
+      ? (session as SwotSession).collaborator
+      : (session as MotivatorSession).participant
+  );
 
   const isSwot = session.workshopType === 'swot';
   const href = isSwot ? `/sessions/${session.id}` : `/motivators/${session.id}`;
@@ -199,6 +284,27 @@ function SessionCard({ session }: { session: AnySession }) {
     });
   };
 
+  const handleEdit = () => {
+    startTransition(async () => {
+      const result = isSwot
+        ? await updateSwotSession(session.id, { title: editTitle, collaborator: editParticipant })
+        : await updateMotivatorSession(session.id, { title: editTitle, participant: editParticipant });
+      
+      if (result.success) {
+        setShowEditModal(false);
+      } else {
+        console.error('Error updating session:', result.error);
+      }
+    });
+  };
+
+  const openEditModal = () => {
+    // Reset form values when opening
+    setEditTitle(session.title);
+    setEditParticipant(participant);
+    setShowEditModal(true);
+  };
+
   return (
     <>
       <div className="relative group">
@@ -289,24 +395,96 @@ function SessionCard({ session }: { session: AnySession }) {
           </Card>
         </Link>
 
-        {/* Delete button - only for owner */}
+        {/* Action buttons - only for owner */}
         {session.isOwner && (
-          <button
-            onClick={(e) => {
-              e.preventDefault();
-              e.stopPropagation();
-              setShowDeleteModal(true);
-            }}
-            className="absolute top-3 right-3 p-1.5 rounded-lg opacity-0 group-hover:opacity-100 transition-opacity bg-destructive/10 text-destructive hover:bg-destructive/20"
-            title="Supprimer"
-          >
-            <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
-            </svg>
-          </button>
+          <div className="absolute top-3 right-3 flex gap-1 opacity-0 group-hover:opacity-100 transition-opacity">
+            <button
+              onClick={(e) => {
+                e.preventDefault();
+                e.stopPropagation();
+                openEditModal();
+              }}
+              className="p-1.5 rounded-lg bg-primary/10 text-primary hover:bg-primary/20"
+              title="Modifier"
+            >
+              <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
+              </svg>
+            </button>
+            <button
+              onClick={(e) => {
+                e.preventDefault();
+                e.stopPropagation();
+                setShowDeleteModal(true);
+              }}
+              className="p-1.5 rounded-lg bg-destructive/10 text-destructive hover:bg-destructive/20"
+              title="Supprimer"
+            >
+              <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
+              </svg>
+            </button>
+          </div>
         )}
       </div>
 
+      {/* Edit modal */}
+      <Modal
+        isOpen={showEditModal}
+        onClose={() => setShowEditModal(false)}
+        title="Modifier l'atelier"
+        size="sm"
+      >
+        <form
+          onSubmit={(e) => {
+            e.preventDefault();
+            handleEdit();
+          }}
+          className="space-y-4"
+        >
+          <div>
+            <label htmlFor="edit-title" className="block text-sm font-medium text-foreground mb-1">
+              Titre
+            </label>
+            <Input
+              id="edit-title"
+              value={editTitle}
+              onChange={(e) => setEditTitle(e.target.value)}
+              placeholder="Titre de l'atelier"
+              required
+            />
+          </div>
+          <div>
+            <label htmlFor="edit-participant" className="block text-sm font-medium text-foreground mb-1">
+              {isSwot ? 'Collaborateur' : 'Participant'}
+            </label>
+            <Input
+              id="edit-participant"
+              value={editParticipant}
+              onChange={(e) => setEditParticipant(e.target.value)}
+              placeholder={isSwot ? 'Nom du collaborateur' : 'Nom du participant'}
+              required
+            />
+          </div>
+          <ModalFooter>
+            <Button
+              type="button"
+              variant="ghost"
+              onClick={() => setShowEditModal(false)}
+              disabled={isPending}
+            >
+              Annuler
+            </Button>
+            <Button
+              type="submit"
+              disabled={isPending || !editTitle.trim() || !editParticipant.trim()}
+            >
+              {isPending ? 'Enregistrement...' : 'Enregistrer'}
+            </Button>
+          </ModalFooter>
+        </form>
+      </Modal>
+
       {/* Delete confirmation modal */}
       <Modal
         isOpen={showDeleteModal}