diff --git a/alcs-frontend/src/app/features/board/dialogs/card-dialog/card-dialog.component.ts b/alcs-frontend/src/app/features/board/dialogs/card-dialog/card-dialog.component.ts
index 2c0e31f4fc..7121eec811 100644
--- a/alcs-frontend/src/app/features/board/dialogs/card-dialog/card-dialog.component.ts
+++ b/alcs-frontend/src/app/features/board/dialogs/card-dialog/card-dialog.component.ts
@@ -80,7 +80,7 @@ export class CardDialogComponent implements OnInit, OnDestroy {
   filterAssigneeList(term: string, item: AssigneeDto) {
     const termLower = term.toLocaleLowerCase();
     return (
-      item.email.toLocaleLowerCase().indexOf(termLower) > -1 ||
+      (item.email && item.email.toLocaleLowerCase().indexOf(termLower) > -1) ||
       item.prettyName.toLocaleLowerCase().indexOf(termLower) > -1
     );
   }
diff --git a/alcs-frontend/src/app/features/home/subtask/subtask-table/subtask-table.component.ts b/alcs-frontend/src/app/features/home/subtask/subtask-table/subtask-table.component.ts
index 8b7b59ffc0..f16cfe3fc5 100644
--- a/alcs-frontend/src/app/features/home/subtask/subtask-table/subtask-table.component.ts
+++ b/alcs-frontend/src/app/features/home/subtask/subtask-table/subtask-table.component.ts
@@ -58,7 +58,7 @@ export class SubtaskTableComponent {
   filterAssigneeList(term: string, item: AssigneeDto) {
     const termLower = term.toLocaleLowerCase();
     return (
-      item.email.toLocaleLowerCase().indexOf(termLower) > -1 ||
+      (item.email && item.email.toLocaleLowerCase().indexOf(termLower) > -1) ||
       item.prettyName.toLocaleLowerCase().indexOf(termLower) > -1
     );
   }
diff --git a/alcs-frontend/src/app/services/user/user.dto.ts b/alcs-frontend/src/app/services/user/user.dto.ts
index e5ea623f4d..810ecd8d72 100644
--- a/alcs-frontend/src/app/services/user/user.dto.ts
+++ b/alcs-frontend/src/app/services/user/user.dto.ts
@@ -23,7 +23,7 @@ export interface AssigneeDto {
   uuid: string;
   initials?: string;
   name: string;
-  email: string;
+  email?: string;
   mentionLabel: string;
   clientRoles: ROLES[];
   prettyName: string;
diff --git a/services/apps/alcs/src/common/authorization/authorization.service.spec.ts b/services/apps/alcs/src/common/authorization/authorization.service.spec.ts
index 331db5ef25..c58633332b 100644
--- a/services/apps/alcs/src/common/authorization/authorization.service.spec.ts
+++ b/services/apps/alcs/src/common/authorization/authorization.service.spec.ts
@@ -49,6 +49,7 @@ describe('AuthorizationService', () => {
       clientRoles: [],
       bceidGuid: '',
       displayName: '',
+      email: 'test@example.com',
       identityProvider: 'idir',
       uuid: 'user-uuid',
     } as Partial<User> as User);
diff --git a/services/apps/alcs/src/common/authorization/authorization.service.ts b/services/apps/alcs/src/common/authorization/authorization.service.ts
index 9363f06cfd..1f435a5d78 100644
--- a/services/apps/alcs/src/common/authorization/authorization.service.ts
+++ b/services/apps/alcs/src/common/authorization/authorization.service.ts
@@ -195,11 +195,8 @@ export class AuthorizationService {
         this.mapUserFromTokenToCreateDto(payload),
       );
 
-      if (user.clientRoles.length === 0 && !isPortal) {
-        await this.userService.sendNewUserRequestEmail(
-          user.email,
-          user.bceidGuid ?? user.displayName,
-        );
+      if (user.clientRoles.length === 0 && !isPortal && user.email !== undefined) {
+        await this.userService.sendNewUserRequestEmail(user.email, user.bceidGuid ?? user.displayName);
       }
     }
   }
diff --git a/services/apps/alcs/src/providers/typeorm/migrations/1741219585820-make_user_email_nullable.ts b/services/apps/alcs/src/providers/typeorm/migrations/1741219585820-make_user_email_nullable.ts
new file mode 100644
index 0000000000..8a4c95863b
--- /dev/null
+++ b/services/apps/alcs/src/providers/typeorm/migrations/1741219585820-make_user_email_nullable.ts
@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class MakeUserEmailNullable1741219585820 implements MigrationInterface {
+    name = 'MakeUserEmailNullable1741219585820'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "alcs"."user" ALTER COLUMN "email" DROP NOT NULL`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "alcs"."user" ALTER COLUMN "email" SET NOT NULL`);
+    }
+
+}
diff --git a/services/apps/alcs/src/user/user.dto.ts b/services/apps/alcs/src/user/user.dto.ts
index f856ba31cb..c281457e5e 100644
--- a/services/apps/alcs/src/user/user.dto.ts
+++ b/services/apps/alcs/src/user/user.dto.ts
@@ -49,7 +49,7 @@ export class UserDto extends UpdateUserDto {
 }
 
 export class CreateUserDto {
-  email: string;
+  email?: string;
   name?: string;
   displayName: string;
   givenName?: string;
@@ -79,7 +79,7 @@ export class AssigneeDto {
   mentionLabel: string;
 
   @AutoMap()
-  email: string;
+  email?: string;
 
   @AutoMap()
   clientRoles: string[];
diff --git a/services/apps/alcs/src/user/user.entity.ts b/services/apps/alcs/src/user/user.entity.ts
index 65ccaf1d56..2c3d515e41 100644
--- a/services/apps/alcs/src/user/user.entity.ts
+++ b/services/apps/alcs/src/user/user.entity.ts
@@ -21,8 +21,8 @@ export class User extends Base {
   }
 
   @AutoMap()
-  @Column()
-  email: string;
+  @Column({ nullable: true })
+  email?: string;
 
   @AutoMap()
   @Column()