diff --git a/mobile/lib/ui/actions/collection/collection_sharing_actions.dart b/mobile/lib/ui/actions/collection/collection_sharing_actions.dart
index dc9f58d9f3..c2c354cf77 100644
--- a/mobile/lib/ui/actions/collection/collection_sharing_actions.dart
+++ b/mobile/lib/ui/actions/collection/collection_sharing_actions.dart
@@ -5,6 +5,7 @@ import 'package:logging/logging.dart';
 import 'package:photos/core/configuration.dart';
 import "package:photos/core/errors.dart";
 import 'package:photos/db/files_db.dart';
+import "package:photos/extensions/user_extension.dart";
 import "package:photos/generated/l10n.dart";
 import 'package:photos/models/api/collection/create_request.dart';
 import "package:photos/models/api/collection/user.dart";
@@ -192,7 +193,7 @@ class CollectionActions {
         ),
       ],
       title: S.of(context).removeWithQuestionMark,
-      body: S.of(context).removeParticipantBody(user.email),
+      body: S.of(context).removeParticipantBody(user.displayName ?? user.email),
     );
     if (actionResult?.action != null) {
       if (actionResult!.action == ButtonAction.error) {
diff --git a/mobile/lib/ui/sharing/add_participant_page.dart b/mobile/lib/ui/sharing/add_participant_page.dart
index 4b797da9c9..89cdb82c85 100644
--- a/mobile/lib/ui/sharing/add_participant_page.dart
+++ b/mobile/lib/ui/sharing/add_participant_page.dart
@@ -1,6 +1,7 @@
 import 'package:email_validator/email_validator.dart';
 import 'package:flutter/material.dart';
 import 'package:photos/core/configuration.dart';
+import "package:photos/extensions/user_extension.dart";
 import "package:photos/generated/l10n.dart";
 import "package:photos/models/api/collection/user.dart";
 import 'package:photos/models/collection/collection.dart';
@@ -139,7 +140,8 @@ class _AddParticipantPage extends State<AddParticipantPage> {
                           children: [
                             MenuItemWidget(
                               captionedTextWidget: CaptionedTextWidget(
-                                title: currentUser.email,
+                                title: currentUser.displayName ??
+                                    currentUser.email,
                               ),
                               leadingIconSize: 24.0,
                               leadingIconWidget: UserAvatarWidget(
@@ -239,7 +241,13 @@ class _AddParticipantPage extends State<AddParticipantPage> {
                           results.where((e) => e).length;
                       showToast(
                         context,
-                        widget.isAddingViewer ? S.of(context).viewersSuccessfullyAdded(noOfSuccessfullAdds) : S.of(context).collaboratorsSuccessfullyAdded(noOfSuccessfullAdds),
+                        widget.isAddingViewer
+                            ? S
+                                .of(context)
+                                .viewersSuccessfullyAdded(noOfSuccessfullAdds)
+                            : S.of(context).collaboratorsSuccessfullyAdded(
+                                  noOfSuccessfullAdds,
+                                ),
                       );
 
                       if (!results.any((e) => e == false) && mounted) {
diff --git a/mobile/lib/ui/sharing/manage_album_participant.dart b/mobile/lib/ui/sharing/manage_album_participant.dart
index 16b6bd070e..62521a348f 100644
--- a/mobile/lib/ui/sharing/manage_album_participant.dart
+++ b/mobile/lib/ui/sharing/manage_album_participant.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import "package:photos/extensions/user_extension.dart";
 import "package:photos/generated/l10n.dart";
 import "package:photos/models/api/collection/user.dart";
 import 'package:photos/models/collection/collection.dart';
@@ -58,7 +59,7 @@ class _ManageIndividualParticipantState
                     title: S.of(context).manage,
                   ),
                   Text(
-                    widget.user.email.toString().trim(),
+                    widget.user.displayName ?? widget.user.email,
                     textAlign: TextAlign.left,
                     style:
                         textTheme.small.copyWith(color: colorScheme.textMuted),
@@ -117,7 +118,7 @@ class _ManageIndividualParticipantState
                         body: S
                             .of(context)
                             .cannotAddMorePhotosAfterBecomingViewer(
-                              widget.user.email,
+                              widget.user.displayName ?? widget.user.email,
                             ),
                         isCritical: true,
                       );