diff --git a/apps/dashboard/src/lib/features/audience/components/audience-member-row.svelte b/apps/dashboard/src/lib/features/audience/components/audience-member-row.svelte
index d2fa5cd5..d4563521 100644
--- a/apps/dashboard/src/lib/features/audience/components/audience-member-row.svelte
+++ b/apps/dashboard/src/lib/features/audience/components/audience-member-row.svelte
@@ -1,10 +1,9 @@
 <script lang="ts">
   import * as Table from '@cio/ui/base/table';
   import * as DropdownMenu from '@cio/ui/base/dropdown-menu';
-  import * as Avatar from '@cio/ui/base/avatar';
   import { Checkbox } from '@cio/ui/base/checkbox';
   import { Badge } from '@cio/ui/base/badge';
-  import UserIcon from '@lucide/svelte/icons/user';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import EllipsisVerticalIcon from '@lucide/svelte/icons/ellipsis-vertical';
   import type { OrganizationAudienceMember } from '$features/org/utils/types';
   import { t } from '$lib/utils/functions/translations';
@@ -40,26 +39,12 @@
   <Table.Cell>
     {#if memberDetailHref}
       <a href={memberDetailHref} class="ui:text-primary flex items-center gap-2 hover:underline">
-        <Avatar.Root class="h-5 w-5">
-          {#if row.avatarUrl}
-            <Avatar.Image src={row.avatarUrl} alt={row.name ? row.name : 'User'} />
-          {/if}
-          <Avatar.Fallback>
-            <UserIcon class="ui:size-3 ui:text-muted-foreground" />
-          </Avatar.Fallback>
-        </Avatar.Root>
+        <UserAvatar src={row.avatarUrl} alt={row.name ?? 'User'} class="h-5 w-5" />
         {row.name}
       </a>
     {:else}
       <span class="flex items-center gap-2">
-        <Avatar.Root class="h-5 w-5">
-          {#if row.avatarUrl}
-            <Avatar.Image src={row.avatarUrl} alt={row.name ? row.name : 'User'} />
-          {/if}
-          <Avatar.Fallback>
-            <UserIcon class="ui:size-3 ui:text-muted-foreground" />
-          </Avatar.Fallback>
-        </Avatar.Root>
+        <UserAvatar src={row.avatarUrl} alt={row.name ?? 'User'} class="h-5 w-5" />
         {row.name}
       </span>
     {/if}
diff --git a/apps/dashboard/src/lib/features/community/components/community-comment-item.svelte b/apps/dashboard/src/lib/features/community/components/community-comment-item.svelte
index 26ee8fe2..f92a22be 100644
--- a/apps/dashboard/src/lib/features/community/components/community-comment-item.svelte
+++ b/apps/dashboard/src/lib/features/community/components/community-comment-item.svelte
@@ -1,7 +1,6 @@
 <script lang="ts">
-  import * as Avatar from '@cio/ui/base/avatar';
   import TrashIcon from '@lucide/svelte/icons/trash';
-  import UserIcon from '@lucide/svelte/icons/user';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import { calDateDiff } from '$lib/utils/functions/date';
   import { IconButton } from '@cio/ui/custom/icon-button';
   import { Vote } from '$features/ui';
@@ -39,17 +38,7 @@
   <div class="border-gray w-full rounded-lg border">
     <header class="flex items-center justify-between p-2 leading-none">
       <div class="flex items-center text-black">
-        <Avatar.Root class="size-7">
-          {#if comment.author?.avatarUrl}
-            <Avatar.Image
-              src={comment.author.avatarUrl}
-              alt={comment.author?.fullname ? comment.author.fullname : 'User'}
-            />
-          {/if}
-          <Avatar.Fallback>
-            <UserIcon class="ui:size-3.5 ui:text-muted-foreground" />
-          </Avatar.Fallback>
-        </Avatar.Root>
+        <UserAvatar src={comment.author?.avatarUrl} alt={comment.author?.fullname ?? 'User'} class="size-7" />
 
         <p class="ml-2 text-sm dark:text-white">{comment.author?.fullname}</p>
 
diff --git a/apps/dashboard/src/lib/features/course/components/analytics/student-table.svelte b/apps/dashboard/src/lib/features/course/components/analytics/student-table.svelte
index 4288b9c3..2904479f 100644
--- a/apps/dashboard/src/lib/features/course/components/analytics/student-table.svelte
+++ b/apps/dashboard/src/lib/features/course/components/analytics/student-table.svelte
@@ -11,7 +11,7 @@
   import { t } from '$lib/utils/functions/translations';
 
   import EmptyState from './empty-state.svelte';
-  import * as Avatar from '@cio/ui/base/avatar';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import type { CourseAnalytics } from '$features/course/utils/types';
 
   interface Props {
@@ -80,17 +80,11 @@
               class="sticky left-0 z-10 min-w-[200px] bg-white px-4 py-3 transition-colors group-hover:bg-gray-50 dark:bg-neutral-800 dark:group-hover:bg-gray-700"
             >
               <div class="flex items-center gap-3">
-                <Avatar.Root class="size-8">
-                  {#if student.profile.avatar_url}
-                    <Avatar.Image
-                      src={student.profile.avatar_url}
-                      alt={student.profile.fullname ? student.profile.fullname : $t('analytics.student')}
-                    />
-                  {/if}
-                  <Avatar.Fallback>
-                    <UserIcon class="ui:size-4 ui:text-muted-foreground" />
-                  </Avatar.Fallback>
-                </Avatar.Root>
+                <UserAvatar
+                  src={student.profile.avatar_url}
+                  alt={student.profile.fullname ?? $t('analytics.student')}
+                  class="size-8"
+                />
                 <div class="min-w-0 flex-1">
                   <p class="truncate font-medium text-gray-900 dark:text-white">
                     {student.profile.fullname}
diff --git a/apps/dashboard/src/lib/features/course/components/exercise/mark-exercise-modal.svelte b/apps/dashboard/src/lib/features/course/components/exercise/mark-exercise-modal.svelte
index 2cfa71e4..8e00b28f 100644
--- a/apps/dashboard/src/lib/features/course/components/exercise/mark-exercise-modal.svelte
+++ b/apps/dashboard/src/lib/features/course/components/exercise/mark-exercise-modal.svelte
@@ -14,6 +14,7 @@
   import * as Dialog from '@cio/ui/base/dialog';
   import { TextareaField } from '@cio/ui/custom/textarea-field';
   import { Button } from '@cio/ui/base/button';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
 
   // import { useCompletion } from 'ai/svelte';
   // import { QUESTION_TYPE } from '$features/ui/question/constants';
@@ -330,10 +331,10 @@
             </p>
             {#if data.student}
               <div class="flex flex-row items-center justify-center rounded-md bg-gray-100 p-[6px] dark:bg-neutral-700">
-                <img
-                  alt={$t('course.navItem.submissions.grading_modal.student_avatar')}
-                  class="flex h-5 w-5 rounded-full"
+                <UserAvatar
                   src={data.student.avatarUrl}
+                  alt={$t('course.navItem.submissions.grading_modal.student_avatar')}
+                  class="h-5 w-5"
                 />
                 <p class="ml-2 line-clamp-1 text-sm font-semibold dark:text-white">
                   {data.student.fullname}
diff --git a/apps/dashboard/src/lib/features/course/components/exercise/submissions/individual.svelte b/apps/dashboard/src/lib/features/course/components/exercise/submissions/individual.svelte
index b87c1c42..3b06d180 100644
--- a/apps/dashboard/src/lib/features/course/components/exercise/submissions/individual.svelte
+++ b/apps/dashboard/src/lib/features/course/components/exercise/submissions/individual.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
   import { Spinner } from '@cio/ui/base/spinner';
   import { ExerciseQuestion } from '@cio/ui';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
 
   import { submissions } from './store';
   import { questionnaire } from '../store';
@@ -17,9 +18,6 @@
 
   let { isLoading = $bindable(false) }: Props = $props();
 
-  const defaultImg =
-    'https://images.unsplash.com/photo-1599566150163-29194dcaad36?auto=format&fit=crop&q=60&w=800&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxzZWFyY2h8NHx8YXZhdGFyc3xlbnwwfHwwfHx8Mg%3D%3D';
-
   let studentSelected = $state(0);
   const questionLabels = $derived(getExerciseQuestionLabels());
 
@@ -57,10 +55,10 @@
             studentSelected == i ? 'border-primary-700 border-[3px]' : ''
           }`}
         >
-          <img
-            src={student.groupmember?.profile.avatarUrl ? student.groupmember.profile.avatarUrl : defaultImg}
+          <UserAvatar
+            src={student.groupmember?.profile.avatarUrl}
             alt={$t('course.navItem.lessons.exercises.all_exercises.analytics.individual.student_avatar')}
-            class="m-1 max-h-10 w-10 rounded-full bg-white"
+            class="m-1 size-10"
           />
         </div>
         <p class="line-clamp-2 w-20 leading-4 whitespace-pre-wrap">
diff --git a/apps/dashboard/src/lib/features/course/components/lesson/comments.svelte b/apps/dashboard/src/lib/features/course/components/lesson/comments.svelte
index 01232fd2..df7d026f 100644
--- a/apps/dashboard/src/lib/features/course/components/lesson/comments.svelte
+++ b/apps/dashboard/src/lib/features/course/components/lesson/comments.svelte
@@ -2,9 +2,7 @@
   import { untrack } from 'svelte';
   import * as DropdownMenu from '@cio/ui/base/dropdown-menu';
   import EllipsisVerticalIcon from '@lucide/svelte/icons/ellipsis-vertical';
-  import UserIcon from '@lucide/svelte/icons/user';
-
-  import * as Avatar from '@cio/ui/base/avatar';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import { TextareaField } from '@cio/ui/custom/textarea-field';
   import { DeleteModal } from '$features/ui';
   import { Button } from '@cio/ui/base/button';
@@ -98,14 +96,7 @@
   </div>
   <div>
     <div class="flex h-full items-start gap-3">
-      <Avatar.Root class="mt-2 size-6!">
-        {#if $profile.avatarUrl}
-          <Avatar.Image src={$profile.avatarUrl} alt={$profile.fullname ? $profile.fullname : 'User'} />
-        {/if}
-        <Avatar.Fallback>
-          <UserIcon class="ui:size-3 ui:text-muted-foreground" />
-        </Avatar.Fallback>
-      </Avatar.Root>
+      <UserAvatar src={$profile.avatarUrl} alt={$profile.fullname ?? 'User'} class="mt-2 size-6!" />
       <div class="h-full w-full">
         <TextareaField
           label={$t('course.navItem.lessons.comments.text_area_title')}
@@ -125,14 +116,7 @@
   <div class="my-5">
     {#each comments as commentItem (commentItem.id)}
       <div class="mt-2 flex items-start gap-3 pb-2">
-        <Avatar.Root class="mt-2 size-6!">
-          {#if commentItem.avatar}
-            <Avatar.Image src={commentItem.avatar} alt={commentItem.name ? commentItem.name : 'User'} />
-          {/if}
-          <Avatar.Fallback>
-            <UserIcon class="ui:size-3 ui:text-muted-foreground" />
-          </Avatar.Fallback>
-        </Avatar.Root>
+        <UserAvatar src={commentItem.avatar} alt={commentItem.name ?? 'User'} class="mt-2 size-6!" />
 
         <div class="w-full rounded-md border px-3 py-2 dark:border-neutral-700">
           <div class="flex items-center justify-between gap-2">
diff --git a/apps/dashboard/src/lib/features/course/components/newsfeed/card/comments.svelte b/apps/dashboard/src/lib/features/course/components/newsfeed/card/comments.svelte
index 8f82506a..56d0bc1a 100644
--- a/apps/dashboard/src/lib/features/course/components/newsfeed/card/comments.svelte
+++ b/apps/dashboard/src/lib/features/course/components/newsfeed/card/comments.svelte
@@ -12,6 +12,7 @@
   import { newsfeedApi } from '$features/course/api';
 
   import { Button } from '@cio/ui/base/button';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import type { Feed } from '$features/course/utils/types';
   import type { NewsfeedCommentsByFeedId } from '$features/course/api';
 
@@ -193,13 +194,7 @@
 
   <!-- Input for new comment -->
   <div class="flex items-center justify-between gap-2">
-    <div class="h-7 w-7">
-      <img
-        src={author.avatarUrl}
-        alt={$t('course.navItem.news_feed.user_avatar_alt')}
-        class="h-full w-full rounded-full object-cover"
-      />
-    </div>
+    <UserAvatar src={author.avatarUrl} alt={$t('course.navItem.news_feed.user_avatar_alt')} class="size-7" />
     <div class="flex-1">
       <input
         type="text"
diff --git a/apps/dashboard/src/lib/features/course/pages/marks.svelte b/apps/dashboard/src/lib/features/course/pages/marks.svelte
index cc41d405..5d1f9211 100644
--- a/apps/dashboard/src/lib/features/course/pages/marks.svelte
+++ b/apps/dashboard/src/lib/features/course/pages/marks.svelte
@@ -1,11 +1,10 @@
 <script lang="ts">
   import { Empty } from '@cio/ui/custom/empty';
   import UserXIcon from '@lucide/svelte/icons/user-x';
-  import * as Avatar from '@cio/ui/base/avatar';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import * as Table from '@cio/ui/base/table';
   import * as Tooltip from '@cio/ui/base/tooltip';
   import { t } from '$lib/utils/functions/translations';
-  import { shortenName } from '$lib/utils/functions/string';
   import { calculateStudentAverage, type MarksPageData, type ExerciseInfo } from '$features/course/utils/marks-utils';
   import TruncatedWithTooltip from '$features/course/components/truncated-with-tooltip.svelte';
 
@@ -70,15 +69,11 @@
                 class="sticky left-0 min-w-[200px] border-r border-gray-200 bg-gray-50 px-3 py-2 dark:border-neutral-700 dark:bg-neutral-800/80"
               >
                 <div class="flex items-center gap-2">
-                  <Avatar.Root class="size-6! shrink-0 rounded-full">
-                    <Avatar.Image
-                      src={student.profile?.avatarUrl ?? undefined}
-                      alt={student.profile?.fullname ?? 'Student'}
-                    />
-                    <Avatar.Fallback class="ui:bg-muted ui:text-muted-foreground rounded-full">
-                      {shortenName(student.profile?.fullname) ?? 'S'}
-                    </Avatar.Fallback>
-                  </Avatar.Root>
+                  <UserAvatar
+                    src={student.profile?.avatarUrl}
+                    alt={student.profile?.fullname ?? 'Student'}
+                    class="size-6! shrink-0"
+                  />
                   <div class="min-w-0 flex-1">
                     <p class="ui:text-foreground truncate text-sm font-medium">
                       {student.profile?.fullname ?? '-'}
diff --git a/apps/dashboard/src/lib/features/course/pages/submissions.svelte b/apps/dashboard/src/lib/features/course/pages/submissions.svelte
index 6470a42e..6c0ebe7f 100644
--- a/apps/dashboard/src/lib/features/course/pages/submissions.svelte
+++ b/apps/dashboard/src/lib/features/course/pages/submissions.svelte
@@ -10,6 +10,7 @@
   import { t } from '$lib/utils/functions/translations';
 
   import { Chip } from '@cio/ui/custom/chip';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import MarkExerciseModal from '$features/course/components/exercise/mark-exercise-modal.svelte';
   import { STATUS } from '$features/course/components/exercise/constants';
   import { onMount } from 'svelte';
@@ -242,7 +243,7 @@
               class="mb-2 flex w-full cursor-pointer items-center text-black"
               href={`${page.url.pathname}?submissionId=${item.id}`}
             >
-              <img alt="Student avatar" class="block h-6 w-6 rounded-full" src={item.student.avatarUrl} />
+              <UserAvatar src={item.student.avatarUrl} alt="Student avatar" class="h-6 w-6" />
               <p class="ml-2 text-sm dark:text-white">
                 {item.student.username}
               </p>
diff --git a/apps/dashboard/src/lib/features/ui/analytics/hero-profile-card.svelte b/apps/dashboard/src/lib/features/ui/analytics/hero-profile-card.svelte
index fb2be6e8..c1d06f7b 100644
--- a/apps/dashboard/src/lib/features/ui/analytics/hero-profile-card.svelte
+++ b/apps/dashboard/src/lib/features/ui/analytics/hero-profile-card.svelte
@@ -1,11 +1,10 @@
 <script lang="ts">
-  import * as Avatar from '@cio/ui/base/avatar';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import { calDateDiff } from '$lib/utils/functions/date';
   import { t } from '$lib/utils/functions/translations';
   import type { UserAnalytics } from '$lib/utils/types/analytics';
   import AlarmClockIcon from '@lucide/svelte/icons/alarm-clock';
   import MailIcon from '@lucide/svelte/icons/mail';
-  import UserIcon from '@lucide/svelte/icons/user';
 
   interface Props {
     user: UserAnalytics['user'];
@@ -16,14 +15,7 @@
 
 <div class="rounded-md border p-5">
   <div class="flex w-full flex-col items-center justify-start gap-4 text-start md:flex-row">
-    <Avatar.Root class="h-16 w-16">
-      {#if user.avatarUrl}
-        <Avatar.Image src={user.avatarUrl} alt={user.fullName ? user.fullName : 'User'} />
-      {/if}
-      <Avatar.Fallback>
-        <UserIcon class="ui:size-8 ui:text-muted-foreground" />
-      </Avatar.Fallback>
-    </Avatar.Root>
+    <UserAvatar src={user.avatarUrl} alt={user.fullName ?? 'User'} class="h-16 w-16" />
     <div class="flex flex-col space-y-2">
       <p class="text-center text-2xl md:text-left dark:text-white">
         {user.fullName}
diff --git a/apps/dashboard/src/lib/features/ui/navigation/app-setup.svelte b/apps/dashboard/src/lib/features/ui/navigation/app-setup.svelte
index 76cb8376..6902b855 100644
--- a/apps/dashboard/src/lib/features/ui/navigation/app-setup.svelte
+++ b/apps/dashboard/src/lib/features/ui/navigation/app-setup.svelte
@@ -21,7 +21,7 @@
       if (item.id === 'profile') {
         return {
           ...item,
-          is_completed: !$profile.avatarUrl?.includes('avatars/avatar.png')
+          is_completed: !$profile.avatarUrl?.includes('avatars/avatar.png') || !!$profile.avatarUrl
         };
       }
       return item;
@@ -46,7 +46,7 @@
             </Button>
           </div>
 
-          {#each setupList as item}
+          {#each setupList as item (item.id)}
             <div class="flex items-center gap-2 text-sm">
               {#if item.is_completed}
                 <BadgeCheckIcon class="custom size-4 shrink-0 text-green-600! opacity-50" />
diff --git a/apps/dashboard/src/lib/features/ui/sidebar/footer/menu.svelte b/apps/dashboard/src/lib/features/ui/sidebar/footer/menu.svelte
index 5d54dc6c..4442ff5f 100644
--- a/apps/dashboard/src/lib/features/ui/sidebar/footer/menu.svelte
+++ b/apps/dashboard/src/lib/features/ui/sidebar/footer/menu.svelte
@@ -7,8 +7,8 @@
   import BellPlusIcon from '@lucide/svelte/icons/bell-plus';
   import BadgeHelpIcon from '@lucide/svelte/icons/badge-help';
   import LogOutIcon from '@lucide/svelte/icons/log-out';
-  import * as Avatar from '@cio/ui/base/avatar';
   import * as Sidebar from '@cio/ui/base/sidebar';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import { useSidebar } from '@cio/ui/base/sidebar';
   import ChevronsUpDownIcon from '@lucide/svelte/icons/chevrons-up-down';
   import ThemeToggle from './theme-toggle.svelte';
@@ -25,10 +25,7 @@
 
 -->
 {#snippet avatarblock()}
-  <Avatar.Root>
-    <Avatar.Image src={$profile.avatarUrl} alt={$profile.fullname} />
-    <Avatar.Fallback class="rounded-lg">{$profile.fullname.slice(0, 2)}</Avatar.Fallback>
-  </Avatar.Root>
+  <UserAvatar src={$profile.avatarUrl} alt={$profile.fullname} />
   <div class="grid flex-1 text-left text-sm leading-tight font-normal">
     <span class="truncate">{$profile.fullname}</span>
     <span class="truncate text-xs">{$profile.email}</span>
diff --git a/apps/dashboard/src/routes/org/[slug]/+page.svelte b/apps/dashboard/src/routes/org/[slug]/+page.svelte
index 8df04be5..fd1e38a4 100644
--- a/apps/dashboard/src/routes/org/[slug]/+page.svelte
+++ b/apps/dashboard/src/routes/org/[slug]/+page.svelte
@@ -13,7 +13,7 @@
   import { currentOrgPath } from '$lib/utils/store/org';
 
   import { CreateCourseButton } from '$features/course/components';
-  import * as Avatar from '@cio/ui/base/avatar';
+  import { UserAvatar } from '@cio/ui/custom/user-avatar';
   import { Progress } from '@cio/ui/base/progress';
   import { Button } from '@cio/ui/base/button';
   import { WelcomeModal } from '$features/onboarding/components';
@@ -146,14 +146,7 @@
               {#each enrollments as enrollment, i (i)}
                 <div class="flex items-center justify-between gap-2">
                   <div class="flex items-center gap-2">
-                    <Avatar.Root class="h-6 w-6">
-                      {#if enrollment.avatarUrl}
-                        <Avatar.Image src={enrollment.avatarUrl} alt={enrollment.name ? enrollment.name : 'User'} />
-                      {/if}
-                      <Avatar.Fallback>
-                        <UserIcon class="ui:size-3 ui:text-muted-foreground" />
-                      </Avatar.Fallback>
-                    </Avatar.Root>
+                    <UserAvatar src={enrollment.avatarUrl} alt={enrollment.name ?? 'User'} class="h-6 w-6" />
 
                     <div class="min-h-[45px] space-y-1">
                       <p class="text-sm leading-none capitalize">{enrollment.name}</p>
diff --git a/apps/dashboard/src/routes/org/[slug]/setup/+page.svelte b/apps/dashboard/src/routes/org/[slug]/setup/+page.svelte
index 275973b8..3b33f6cb 100644
--- a/apps/dashboard/src/routes/org/[slug]/setup/+page.svelte
+++ b/apps/dashboard/src/routes/org/[slug]/setup/+page.svelte
@@ -31,7 +31,7 @@
       if (item.id === 'profile') {
         return {
           ...item,
-          is_completed: !$profile.avatarUrl?.includes('avatars/avatar.png')
+          is_completed: !$profile.avatarUrl?.includes('avatars/avatar.png') || !!$profile.avatarUrl
         };
       }
       return item;
diff --git a/packages/db/src/schema.ts b/packages/db/src/schema.ts
index 21babdd1..5eccab72 100644
--- a/packages/db/src/schema.ts
+++ b/packages/db/src/schema.ts
@@ -288,9 +288,7 @@ export const profile = pgTable(
     id: uuid().primaryKey().notNull(),
     fullname: text().notNull(),
     username: text().notNull(),
-    avatarUrl: text('avatar_url').default(
-      'https://tapaozmyjsuykgerrfkt.supabase.co/storage/v1/object/public/avatars/avatar.png'
-    ),
+    avatarUrl: text('avatar_url'),
     createdAt: timestamp('created_at', { withTimezone: true, mode: 'string' }).defaultNow(),
     updatedAt: timestamp('updated_at', { withTimezone: true, mode: 'string' }).defaultNow(),
     email: varchar(),
@@ -591,6 +589,11 @@ export const course = pgTable(
     isPublished: boolean('is_published').default(false),
     isCertificateDownloadable: boolean('is_certificate_downloadable').default(false),
     certificateTheme: text('certificate_theme'),
+    certificationDeadline: timestamp('certification_deadline', { withTimezone: true, mode: 'string' }),
+    certificationThreshold: integer('certification_threshold').default(100),
+    certificationRequiredExerciseId: uuid('certification_required_exercise_id'),
+    certificationExerciseMinScorePercent: integer('certification_exercise_min_score_percent'),
+    certificationEmailMessage: text('certification_email_message'),
     status: text().default('ACTIVE').notNull(),
     type: courseType().default('LIVE_CLASS')
   },
@@ -904,7 +907,8 @@ export const exercise = pgTable(
       .primaryKey()
       .notNull(),
     isUnlocked: boolean('is_unlocked').default(true),
-    dueBy: timestamp('due_by', { mode: 'string' })
+    dueBy: timestamp('due_by', { mode: 'string' }),
+    allowMultipleAttempts: boolean('allow_multiple_attempts').default(false).notNull()
   },
   (table) => [
     foreignKey({
@@ -938,7 +942,9 @@ export const groupmember = pgTable(
     profileId: uuid('profile_id'),
     email: varchar(),
     createdAt: timestamp('created_at', { withTimezone: true, mode: 'string' }).defaultNow(),
-    assignedStudentId: varchar('assigned_student_id')
+    assignedStudentId: varchar('assigned_student_id'),
+    certificateEarnedAt: timestamp('certificate_earned_at', { withTimezone: true, mode: 'string' }),
+    certificationEmailSentAt: timestamp('certification_email_sent_at', { withTimezone: true, mode: 'string' })
   },
   (table) => [
     foreignKey({
diff --git a/packages/db/src/utils/seed/profile.ts b/packages/db/src/utils/seed/profile.ts
index a076f886..92681649 100644
--- a/packages/db/src/utils/seed/profile.ts
+++ b/packages/db/src/utils/seed/profile.ts
@@ -29,7 +29,6 @@ export async function seedProfile({ usersData }: { usersData: TUserSeedData[] })
       fullname: resolveFullName(user),
       username: `${user.email.split('@')[0]}${Date.now()}`,
       email: user.email,
-      avatarUrl: 'https://pgrest.classroomio.com/storage/v1/object/public/avatars/avatar.png',
       canAddCourse: true,
       isEmailVerified: true
     }))
diff --git a/packages/ui/src/custom/user-avatar/index.ts b/packages/ui/src/custom/user-avatar/index.ts
new file mode 100644
index 00000000..f648a86a
--- /dev/null
+++ b/packages/ui/src/custom/user-avatar/index.ts
@@ -0,0 +1,4 @@
+import UserAvatar from './user-avatar.svelte';
+
+export { UserAvatar };
+export { UserAvatar as default };
diff --git a/packages/ui/src/custom/user-avatar/user-avatar.svelte b/packages/ui/src/custom/user-avatar/user-avatar.svelte
new file mode 100644
index 00000000..ce9ebf11
--- /dev/null
+++ b/packages/ui/src/custom/user-avatar/user-avatar.svelte
@@ -0,0 +1,22 @@
+<script lang="ts">
+  import * as Avatar from '../../base/avatar';
+  import UserIcon from '@lucide/svelte/icons/user';
+
+  interface Props {
+    src?: string | null;
+    alt?: string;
+    class?: string;
+    iconClass?: string;
+  }
+
+  let { src, alt = 'User', class: className = 'size-6', iconClass = '' }: Props = $props();
+</script>
+
+<Avatar.Root class={className}>
+  {#if src}
+    <Avatar.Image {src} {alt} />
+  {/if}
+  <Avatar.Fallback>
+    <UserIcon class="ui:text-muted-foreground {iconClass || 'h-1/2 w-1/2'}" />
+  </Avatar.Fallback>
+</Avatar.Root>