diff --git a/src/lib/users/components/initials-avatar/initials-avatar.component.html b/src/lib/users/components/initials-avatar/initials-avatar.component.html
index 46eadd3..aee6b34 100644
--- a/src/lib/users/components/initials-avatar/initials-avatar.component.html
+++ b/src/lib/users/components/initials-avatar/initials-avatar.component.html
@@ -1,14 +1,14 @@
-@if (_user && _user | name: namePipeOptions; as userName) {
+@if (_user() && _user() | name: namePipeOptions(); as userName) {
     <div class="wrapper">
         <div
-            [className]="colorClass + ' oval ' + size + (hasBorder ? ' border' : '')"
-            [matTooltipPosition]="tooltipPosition"
-            [matTooltip]="showTooltip ? userName : ''"
+            [className]="colorClass() + ' oval ' + size() + (hasBorder() ? ' border' : '')"
+            [matTooltipPosition]="tooltipPosition()"
+            [matTooltip]="showTooltip() ? userName : ''"
         >
-            {{ _user | name: { showInitials: true } }}
+            {{ _user() | name: { showInitials: true } }}
         </div>
-        @if (withName) {
-            <div [class.disabled]="disabled" class="clamp-1 username" id="avatarUsername">
+        @if (withName()) {
+            <div [class.disabled]="disabled()" class="clamp-1 username" id="avatarUsername">
                 {{ userName }}
             </div>
         }
diff --git a/src/lib/users/components/initials-avatar/initials-avatar.component.ts b/src/lib/users/components/initials-avatar/initials-avatar.component.ts
index 01300b5..c7e6d67 100644
--- a/src/lib/users/components/initials-avatar/initials-avatar.component.ts
+++ b/src/lib/users/components/initials-avatar/initials-avatar.component.ts
@@ -1,4 +1,4 @@
-import { ChangeDetectionStrategy, Component, inject, Input, OnChanges, OnInit } from '@angular/core';
+import { ChangeDetectionStrategy, Component, computed, inject, input } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
 import { IqserUser } from '../../iqser-user.model';
 import { IqserUserService } from '../../services/iqser-user.service';
@@ -7,6 +7,7 @@ import { IIqserUser } from '../../types/user.response';
 import { NgIf } from '@angular/common';
 import { NamePipe } from '../../name.pipe';
 import { MatTooltip } from '@angular/material/tooltip';
+import { toSignal } from '@angular/core/rxjs-interop';
 
 @Component({
     selector: 'iqser-initials-avatar',
@@ -16,80 +17,45 @@ import { MatTooltip } from '@angular/material/tooltip';
     standalone: true,
     imports: [NgIf, NamePipe, MatTooltip],
 })
-export class InitialsAvatarComponent<Interface extends IIqserUser = IIqserUser, Class extends IqserUser & Interface = IqserUser & Interface>
-    implements OnInit, OnChanges
-{
+export class InitialsAvatarComponent<
+    Interface extends IIqserUser = IIqserUser,
+    Class extends IqserUser & Interface = IqserUser & Interface,
+> {
+    readonly #userService = inject<IqserUserService<Interface, Class>>(IqserUserService);
     readonly #translateService = inject(TranslateService);
-    @Input() color = 'lightgray';
-    @Input() size: 'small' | 'large' = 'small';
-    @Input() withName = false;
-    @Input() showYou = false;
-    @Input() tooltipPosition: 'below' | 'above' = 'above';
-    @Input() defaultValue: string = this.#translateService.instant('initials-avatar.unassigned');
-    @Input() showTooltip = true;
-    colorClass?: string;
-    namePipeOptions?: NamePipeOptions;
+    readonly #isSystemUser = computed(() => this._user()?.id?.toLowerCase() === 'system');
+    readonly #users = toSignal(this.#userService.all$);
 
-    constructor(private readonly _userService: IqserUserService<Interface, Class>) {}
+    readonly color = input('lightgray');
+    readonly size = input<'small' | 'large'>('small');
+    readonly withName = input(false);
+    readonly showYou = input(false);
+    readonly tooltipPosition = input<'below' | 'above'>('above');
+    readonly defaultValue = input<string>(this.#translateService.instant('initials-avatar.unassigned'));
+    readonly showTooltip = input(true);
+    readonly user = input.required<Class | string>();
+    readonly showBorderCondition = input<<T extends Class = Class>(user: T) => boolean>(user => user.isSpecial);
 
-    _user?: Class;
-
-    @Input()
-    set user(user: Class | string) {
+    readonly _user = computed(() => {
+        const user = this.user();
         if (typeof user === 'string') {
-            this._user = this._userService.find(user);
-        } else {
-            this._user = user;
+            if (user?.toLowerCase() === 'system') return this.#userService.newSystemUser();
+            if (!user) return undefined;
+            return this.#users()?.find(u => u.id === user) ?? this.#userService.newDeletedUser();
         }
-    }
-
-    get hasBorder(): boolean {
-        return !!this._user && !this.isCurrentUser && this.showBorderCondition(this._user);
-    }
-
-    get disabled(): boolean {
-        return !!this._user && !this.#isSystemUser && !this._user.hasAnyRole;
-    }
-
-    get isCurrentUser(): boolean {
-        return this._userService.currentUser?.id === this._user?.id;
-    }
-
-    get #colorClass() {
-        if (this.isCurrentUser) {
-            return 'primary-white';
-        }
-
-        if (this.disabled) {
-            return 'inactive';
-        }
-
-        if (this.color.includes('-')) {
-            return this.color;
-        }
-
-        return `${this.color}-dark`;
-    }
-
-    get #isSystemUser() {
-        return this._user?.id?.toLowerCase() === 'system';
-    }
-
-    @Input() showBorderCondition: <T extends Class = Class>(user: T) => boolean = user => user.isSpecial;
-
-    ngOnChanges(): void {
-        if (this.#isSystemUser) {
-            this.colorClass = 'primary-white primary';
-            return;
-        }
-
-        this.colorClass = this.#colorClass;
-    }
-
-    ngOnInit(): void {
-        this.namePipeOptions = {
-            showYou: this.showYou,
-            defaultValue: this.defaultValue,
-        };
-    }
+        return user;
+    });
+    readonly isCurrentUser = computed(() => this.#userService.currentUser?.id === this._user()?.id);
+    readonly hasBorder = computed(() => !!this._user() && !this.isCurrentUser() && this.showBorderCondition()(this._user()!));
+    readonly disabled = computed(() => !!this._user() && !this.#isSystemUser() && !this._user()?.hasAnyRole);
+    readonly colorClass = computed(() => {
+        if (this.isCurrentUser()) return 'primary-white';
+        if (this.disabled()) return 'inactive';
+        if (this.color().includes('-')) return this.color();
+        if (this.#isSystemUser()) return 'primary-white primary';
+        return `${this.color()}-dark`;
+    });
+    readonly namePipeOptions = computed<NamePipeOptions>(
+        () => ({ showYou: this.showYou(), defaultValue: this.defaultValue() }) as NamePipeOptions,
+    );
 }
diff --git a/src/lib/users/services/iqser-user.service.ts b/src/lib/users/services/iqser-user.service.ts
index f8a0d8f..254ab98 100644
--- a/src/lib/users/services/iqser-user.service.ts
+++ b/src/lib/users/services/iqser-user.service.ts
@@ -164,14 +164,22 @@ export abstract class IqserUserService<
 
     find(id: string): Class | undefined {
         if (id?.toLowerCase() === 'system') {
-            return new this._entityClass({ username: 'System' }, [], 'system');
+            return this.newSystemUser();
         }
 
         if (!id) {
             return undefined;
         }
 
-        return super.find(id) ?? new this._entityClass({ username: 'Deleted User' }, [], 'deleted');
+        return super.find(id) ?? this.newDeletedUser();
+    }
+
+    newSystemUser() {
+        return new this._entityClass({ username: 'System' }, [], 'system');
+    }
+
+    newDeletedUser() {
+        return new this._entityClass({ username: 'Deleted User' }, [], 'deleted');
     }
 }