diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitAttendeesApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitAttendeesApiController.php
index 660f7b81a..a64201c14 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitAttendeesApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitAttendeesApiController.php
@@ -15,6 +15,7 @@
 use App\Http\Utils\EpochCellFormatter;
 use App\Jobs\Emails\InviteAttendeeTicketEditionMail;
 use App\Jobs\Emails\SummitAttendeeAllTicketsEditionEmail;
+use App\Jobs\Emails\SummitAttendeeRegistrationIncompleteReminderEmail;
 use App\Jobs\Emails\SummitAttendeeTicketRegenerateHashEmail;
 use App\Jobs\SynchAllAttendeesStatus;
 use App\ModelSerializers\SerializerUtils;
@@ -847,7 +848,8 @@ public function send($summit_id)
                 'email_flow_event' => 'required|string|in:' . join(',', [
                         SummitAttendeeTicketRegenerateHashEmail::EVENT_SLUG,
                         InviteAttendeeTicketEditionMail::EVENT_SLUG,
-                        SummitAttendeeAllTicketsEditionEmail::EVENT_SLUG
+                        SummitAttendeeAllTicketsEditionEmail::EVENT_SLUG,
+                        SummitAttendeeRegistrationIncompleteReminderEmail::EVENT_SLUG
                     ]),
                 'attendees_ids' => 'sometimes|int_array',
             ]);
diff --git a/app/Jobs/Emails/Registration/Attendees/SummitAttendeeRegistrationIncompleteReminderEmail.php b/app/Jobs/Emails/Registration/Attendees/SummitAttendeeRegistrationIncompleteReminderEmail.php
new file mode 100644
index 000000000..919b7fcd6
--- /dev/null
+++ b/app/Jobs/Emails/Registration/Attendees/SummitAttendeeRegistrationIncompleteReminderEmail.php
@@ -0,0 +1,80 @@
+<?php namespace App\Jobs\Emails;
+
+/**
+ * Copyright 2020 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+use Illuminate\Support\Facades\Config;
+use Illuminate\Support\Facades\Log;
+use models\summit\SummitAttendee;
+
+/**
+ * Class SummitAttendeeRegistrationIncompleteReminderEmail
+ * @package App\Jobs\Emails
+ */
+class SummitAttendeeRegistrationIncompleteReminderEmail extends AbstractSummitAttendeeTicketEmail
+{
+    /**
+     * SummitAttendeeRegistrationIncompleteReminderEmail constructor.
+     * @param SummitAttendee $attendee
+     */
+    public function __construct(SummitAttendee $attendee)
+    {
+        $payload = [];
+        $payload['owner_full_name'] = $attendee->getFullName();
+        $payload['owner_company'] = $attendee->getCompanyName();
+        $payload['owner_email']  = $attendee->getEmail();
+
+        if(empty($payload['owner_full_name'])){
+            $payload['owner_full_name'] = $payload['owner_email'];
+        }
+
+        $summit = $attendee->getSummit();
+
+        $payload['summit_name'] = $summit->getName();
+        $payload['summit_logo'] = $summit->getLogoUrl();
+        $payload['summit_virtual_site_url'] = $summit->getVirtualSiteUrl();
+        $payload['summit_marketing_site_url'] = $summit->getMarketingSiteUrl();
+
+        $base_url = Config::get("registration.dashboard_base_url", null);
+        if (empty($base_url))
+            throw new \InvalidArgumentException("missing dashboard_base_url value");
+
+        $back_url = Config::get("registration.dashboard_back_url", null);
+        if (empty($back_url))
+            throw new \InvalidArgumentException("missing dashboard_back_url value");
+
+        $payload['manage_orders_url'] = sprintf($back_url, $base_url);
+
+        $support_email = $summit->getSupportEmail();
+        $payload['support_email'] = !empty($support_email) ? $support_email: Config::get("registration.support_email", null);
+
+        if (empty($payload['support_email']))
+            throw new \InvalidArgumentException("missing support_email value");
+
+        $template_identifier = $this->getEmailTemplateIdentifierFromEmailEvent($summit);
+        Log::debug(sprintf("SummitAttendeeRegistrationIncompleteReminderEmail::__construct payload %s template %s",
+            json_encode($payload), $template_identifier));
+
+        parent::__construct($payload, $template_identifier, $payload['owner_email'] );
+    }
+
+    protected function getEmailEventSlug(): string
+    {
+        return self::EVENT_SLUG;
+    }
+
+    // metadata
+    const EVENT_SLUG = 'SUMMIT_REGISTRATION_INCOMPLETE_ATTENDEE_REMINDER';
+    const EVENT_NAME = 'SUMMIT_REGISTRATION_INCOMPLETE_ATTENDEE_REMINDER';
+    const DEFAULT_TEMPLATE = 'SUMMIT_REGISTRATION_INCOMPLETE_ATTENDEE_REMINDER';
+}
\ No newline at end of file
diff --git a/app/Services/Model/Strategies/EmailActions/EmailActionsStrategyFactory.php b/app/Services/Model/Strategies/EmailActions/EmailActionsStrategyFactory.php
index fda60d98a..ed252569a 100644
--- a/app/Services/Model/Strategies/EmailActions/EmailActionsStrategyFactory.php
+++ b/app/Services/Model/Strategies/EmailActions/EmailActionsStrategyFactory.php
@@ -14,6 +14,7 @@
 
 use App\Jobs\Emails\InviteAttendeeTicketEditionMail;
 use App\Jobs\Emails\SummitAttendeeAllTicketsEditionEmail;
+use App\Jobs\Emails\SummitAttendeeRegistrationIncompleteReminderEmail;
 use App\Jobs\Emails\SummitAttendeeTicketRegenerateHashEmail;
 
 /**
@@ -33,6 +34,8 @@ public function build(String $flow_event): ?AbstractEmailAction {
                 return new SummitAttendeeTicketEmailStrategy($flow_event);
             case SummitAttendeeAllTicketsEditionEmail::EVENT_SLUG:
                 return new SummitAttendeeAllCurrentTicketsEmailStrategy($flow_event);
+            case SummitAttendeeRegistrationIncompleteReminderEmail::EVENT_SLUG:
+                return new SummitAttendeeRegistrationIncompleteReminderStrategy($flow_event);
             default:
                 return null;
         }
diff --git a/app/Services/Model/Strategies/EmailActions/SummitAttendeeRegistrationIncompleteReminderStrategy.php b/app/Services/Model/Strategies/EmailActions/SummitAttendeeRegistrationIncompleteReminderStrategy.php
new file mode 100644
index 000000000..785783dbf
--- /dev/null
+++ b/app/Services/Model/Strategies/EmailActions/SummitAttendeeRegistrationIncompleteReminderStrategy.php
@@ -0,0 +1,54 @@
+<?php namespace App\Services\Model\Strategies\EmailActions;
+/**
+ * Copyright 2022 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+use App\Jobs\Emails\SummitAttendeeRegistrationIncompleteReminderEmail;
+use Illuminate\Support\Facades\Log;
+use models\summit\SummitAttendee;
+
+class SummitAttendeeRegistrationIncompleteReminderStrategy extends AbstractEmailAction
+{
+    /**
+     * SummitAttendeeRegistrationIncompleteReminderStrategy constructor.
+     * @param String $flow_event
+     */
+    public function __construct(String $flow_event)
+    {
+        parent::__construct($flow_event);
+    }
+
+    public function process(SummitAttendee $attendee)
+    {
+        if (!$attendee->isComplete()) {
+            Log::debug
+            (
+                sprintf
+                (
+                    "SummitAttendeeRegistrationIncompleteReminderStrategy::sending reminder to attendee %s - flow event %s",
+                    $attendee->getEmail(),
+                    $this->flow_event
+                )
+            );
+            SummitAttendeeRegistrationIncompleteReminderEmail::dispatch($attendee);
+        } else {
+            Log::debug
+            (
+                sprintf
+                (
+                    "SummitAttendeeRegistrationIncompleteReminderStrategy::nothing to send due to attendee (%s) status is complete",
+                    $attendee->getEmail()
+                )
+            );
+        }
+    }
+}
\ No newline at end of file
diff --git a/database/migrations/model/Version20220216144229.php b/database/migrations/model/Version20220216144229.php
new file mode 100644
index 000000000..af5204da0
--- /dev/null
+++ b/database/migrations/model/Version20220216144229.php
@@ -0,0 +1,60 @@
+<?php namespace Database\Migrations\Model;
+/**
+ * Copyright 2022 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+use App\Jobs\Emails\SummitAttendeeRegistrationIncompleteReminderEmail;
+use App\Models\Foundation\Summit\EmailFlows\SummitEmailFlowType;
+use Database\Seeders\SummitEmailFlowTypeSeeder;
+use Doctrine\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema as Schema;
+use Illuminate\Support\Facades\DB;
+use LaravelDoctrine\ORM\Facades\Registry;
+use models\utils\SilverstripeBaseModel;
+/**
+ * Class Version20220216144229
+ * @package Database\Migrations\Model
+ */
+class Version20220216144229 extends AbstractMigration
+{
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema): void
+    {
+        DB::setDefaultConnection("model");
+        $em = Registry::getManager(SilverstripeBaseModel::EntityManager);
+        $repository = $em->getRepository(SummitEmailFlowType::class);
+        $flow = $repository->findOneBy([
+            "name" => "Registration"
+        ]);
+        SummitEmailFlowTypeSeeder::createEventsTypes(
+            [
+                [
+                    'name' => SummitAttendeeRegistrationIncompleteReminderEmail::EVENT_NAME,
+                    'slug' => SummitAttendeeRegistrationIncompleteReminderEmail::EVENT_SLUG,
+                    'default_email_template' => SummitAttendeeRegistrationIncompleteReminderEmail::DEFAULT_TEMPLATE
+                ]
+            ],
+            $flow
+        );
+        $em->persist($flow);
+        $em->flush();
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema): void
+    {
+
+    }
+}
diff --git a/database/migrations/model/Version20220218124421.php b/database/migrations/model/Version20220218124421.php
new file mode 100644
index 000000000..bf80387d0
--- /dev/null
+++ b/database/migrations/model/Version20220218124421.php
@@ -0,0 +1,47 @@
+<?php namespace Database\Migrations\Model;
+/**
+* Copyright 2022 OpenStack Foundation
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+* http://www.apache.org/licenses/LICENSE-2.0
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+**/
+use Doctrine\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema as Schema;
+use LaravelDoctrine\ORM\Facades\Registry;
+use models\summit\Summit;
+use models\utils\SilverstripeBaseModel;
+/**
+* Class Version20220218124421
+* @package Database\Migrations\Model
+*/
+class Version20220218124421 extends AbstractMigration
+{
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema): void
+    {
+        $em = Registry::getManager(SilverstripeBaseModel::EntityManager);
+        $repository = $em->getRepository(Summit::class);
+        $summits = $repository->findAll();
+        foreach($summits as $summit){
+            $summit->seedDefaultEmailFlowEvents();
+            $em->persist($summit);
+        }
+        $em->flush();
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema): void
+    {
+
+    }
+}
diff --git a/database/seeders/SummitEmailFlowTypeSeeder.php b/database/seeders/SummitEmailFlowTypeSeeder.php
index b2e47a9a3..1ba3a92b4 100644
--- a/database/seeders/SummitEmailFlowTypeSeeder.php
+++ b/database/seeders/SummitEmailFlowTypeSeeder.php
@@ -11,6 +11,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  **/
+
+use App\Jobs\Emails\SummitAttendeeRegistrationIncompleteReminderEmail;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Facades\DB;
 use App\Models\Foundation\Summit\EmailFlows\SummitEmailFlowType;
@@ -129,6 +131,11 @@ public static function seed(){
                 'slug' => SummitTicketReminderEmail::EVENT_SLUG,
                 'default_email_template' => SummitTicketReminderEmail::DEFAULT_TEMPLATE
             ],
+            [
+                'name' => SummitAttendeeRegistrationIncompleteReminderEmail::EVENT_NAME,
+                'slug' => SummitAttendeeRegistrationIncompleteReminderEmail::EVENT_SLUG,
+                'default_email_template' => SummitAttendeeRegistrationIncompleteReminderEmail::DEFAULT_TEMPLATE
+            ],
             // refunds
             [
                 'name' => SummitOrderRefundAccepted::EVENT_NAME,
diff --git a/tests/AttendeeServiceTest.php b/tests/AttendeeServiceTest.php
index c4c45b9a3..7226e5300 100644
--- a/tests/AttendeeServiceTest.php
+++ b/tests/AttendeeServiceTest.php
@@ -13,6 +13,7 @@
  **/
 
 use App\Jobs\Emails\SummitAttendeeAllTicketsEditionEmail;
+use App\Jobs\Emails\SummitAttendeeRegistrationIncompleteReminderEmail;
 use App\Models\Foundation\Main\IGroup;
 use App\Services\Model\IAttendeeService;
 use Illuminate\Support\Facades\App;
@@ -71,4 +72,16 @@ public function testSendAllAttendeeTicketsByAttendeeIds() {
 
         $service->send(self::$summit->getId(), $payload);
     }
+
+    public function testSendRegistrationIncompleteReminderByAttendeeIds() {
+
+        $service = App::make(IAttendeeService::class);
+
+        $payload = [
+            "email_flow_event"  => SummitAttendeeRegistrationIncompleteReminderEmail::EVENT_SLUG,
+            "attendees_ids"     => [self::$summit->getAttendees()[0]->getId()],
+        ];
+
+        $service->send(self::$summit->getId(), $payload);
+    }
 }
\ No newline at end of file