diff --git a/Libs/ModelSerializers/AbstractSerializer.php b/Libs/ModelSerializers/AbstractSerializer.php
index f37a10ba..6e68d77a 100644
--- a/Libs/ModelSerializers/AbstractSerializer.php
+++ b/Libs/ModelSerializers/AbstractSerializer.php
@@ -22,6 +22,7 @@ use models\utils\IEntity;
  */
 abstract class AbstractSerializer implements IModelSerializer
 {
+    const MaxCollectionPage = 10;
     /**
      * @var IEntity
      */
diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php
index 1972f044..8a9a1fc2 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitEventsApiController.php
@@ -179,9 +179,15 @@ final class OAuth2SummitEventsApiController extends OAuth2ProtectedController
     {
         try
         {
+            $expand    = Request::input('expand', '');
+            $fields    = Request::input('fields', '');
+            $relations = Request::input('relations', '');
+            $relations = !empty($relations) ? explode(',', $relations) :[];
+            $fields    = !empty($fields) ? explode(',', $fields) :[];
+
             $strategy = new RetrievePublishedSummitEventsBySummitStrategy($this->repository, $this->event_repository, $this->resource_server_context);
             $response = $strategy->getEvents(['summit_id' => $summit_id]);
-            return $this->ok($response->toArray(Request::input('expand', '')));
+            return $this->ok($response->toArray($expand, $fields, $relations));
         }
         catch (EntityNotFoundException $ex1)
         {
diff --git a/app/ModelSerializers/Summit/Metrics/SummitMetricSerializer.php b/app/ModelSerializers/Summit/Metrics/SummitMetricSerializer.php
index 1c569ce3..ae370f50 100644
--- a/app/ModelSerializers/Summit/Metrics/SummitMetricSerializer.php
+++ b/app/ModelSerializers/Summit/Metrics/SummitMetricSerializer.php
@@ -26,5 +26,7 @@ class SummitMetricSerializer extends SilverStripeSerializer
         'Ip' => 'ip:json_string',
         'Origin' => 'origin:json_string',
         'Browser' => 'browser:json_string',
+        'OutgressDate' => 'outgress_date:datetime_epoch',
+        'IngressDate' => 'ingress_date:datetime_epoch'
     ];
 }
\ No newline at end of file
diff --git a/app/ModelSerializers/Summit/SummitEventSerializer.php b/app/ModelSerializers/Summit/SummitEventSerializer.php
index ec7790fd..5c2df256 100644
--- a/app/ModelSerializers/Summit/SummitEventSerializer.php
+++ b/app/ModelSerializers/Summit/SummitEventSerializer.php
@@ -20,6 +20,7 @@ use models\summit\SummitEvent;
  */
 class SummitEventSerializer extends SilverStripeSerializer
 {
+
     protected static $array_mappings = [
         'Title'                     => 'title:json_string',
         'Abstract'                  => 'description:json_string',
@@ -85,7 +86,6 @@ class SummitEventSerializer extends SilverStripeSerializer
         'sponsors',
         'tags',
         'feedback',
-        'attendance',
         'current_attendance',
     ];
 
@@ -120,28 +120,26 @@ class SummitEventSerializer extends SilverStripeSerializer
         if(in_array('feedback', $relations))
         {
             $feedback = [];
+            $count = 0;
             foreach ($event->getFeedback() as $f) {
                 $feedback[] = $f->getId();
+                $count++;
+                if(AbstractSerializer::MaxCollectionPage < $count) break;
             }
             $values['feedback'] = $feedback;
         }
 
         if(in_array('current_attendance', $relations)){
             $attendance = [];
+            $count = 0;
             foreach ($event->getCurrentAttendance() as $a){
-                $attendance[] = SerializerRegistry::getInstance()->getSerializer($a)->serialize();
+                $attendance[] = $a->getId();
+                $count++;
+                if(AbstractSerializer::MaxCollectionPage < $count) break;
             }
             $values['current_attendance'] = $attendance;
         }
 
-        if(in_array('attendance', $relations)){
-            $attendance = [];
-            foreach ($event->getAttendance() as $a){
-                $attendance[] = SerializerRegistry::getInstance()->getSerializer($a)->serialize();
-            }
-            $values['attendance'] = $attendance;
-        }
-
         //if($event->hasAccess($this->resource_server_context->getCurrentUser())){
             $values['streaming_url'] = $event->getStreamingUrl();
             $values['etherpad_link'] = $event->getEtherpadLink();
@@ -151,6 +149,17 @@ class SummitEventSerializer extends SilverStripeSerializer
             foreach (explode(',', $expand) as $relation) {
                 $relation = trim($relation);
                 switch ($relation) {
+                    case 'current_attendance':
+                    {
+                        $attendance = [];
+                        $count = 0;
+                        foreach ($event->getCurrentAttendance() as $a){
+                            $attendance[] =  SerializerRegistry::getInstance()->getSerializer($a)->serialize(AbstractSerializer::filterExpandByPrefix($expand, $relation));
+                            $count++;
+                            if(AbstractSerializer::MaxCollectionPage < $count) break;
+                        }
+                        $values['current_attendance'] = $attendance;
+                    }
                     case 'feedback': {
                         $feedback = [];
                         foreach ($event->getFeedback() as $f) {
diff --git a/app/Models/Foundation/Summit/Events/Presentations/Presentation.php b/app/Models/Foundation/Summit/Events/Presentations/Presentation.php
index b45266a8..385ddf12 100644
--- a/app/Models/Foundation/Summit/Events/Presentations/Presentation.php
+++ b/app/Models/Foundation/Summit/Events/Presentations/Presentation.php
@@ -131,7 +131,7 @@ class Presentation extends SummitEvent
     protected $attending_media;
 
     /**
-     * @ORM\ManyToOne(targetEntity="PresentationSpeaker", inversedBy="moderated_presentations")
+     * @ORM\ManyToOne(targetEntity="PresentationSpeaker", inversedBy="moderated_presentations", fetch="EXTRA_LAZY")
      * @ORM\JoinColumn(name="ModeratorID", referencedColumnName="ID", onDelete="SET NULL")
      * @var PresentationSpeaker
      */
@@ -139,33 +139,33 @@ class Presentation extends SummitEvent
 
 
     /**
-     * @ORM\ManyToOne(targetEntity="models\main\Member")
+     * @ORM\ManyToOne(targetEntity="models\main\Member", fetch="EXTRA_LAZY")
      * @ORM\JoinColumn(name="CreatorID", referencedColumnName="ID", onDelete="SET NULL")
      * @var Member
      */
     protected $creator;
 
     /**
-     * @ORM\ManyToOne(targetEntity="App\Models\Foundation\Summit\SelectionPlan", inversedBy="presentations")
+     * @ORM\ManyToOne(targetEntity="App\Models\Foundation\Summit\SelectionPlan", inversedBy="presentations", fetch="EXTRA_LAZY")
      * @ORM\JoinColumn(name="SelectionPlanID", referencedColumnName="ID")
      * @var SelectionPlan
      */
     protected $selection_plan;
 
     /**
-     * @ORM\OneToMany(targetEntity="models\summit\PresentationMaterial", mappedBy="presentation", cascade={"persist", "remove"}, orphanRemoval=true)
+     * @ORM\OneToMany(targetEntity="models\summit\PresentationMaterial", mappedBy="presentation", cascade={"persist", "remove"}, orphanRemoval=true, fetch="EXTRA_LAZY")
      * @var PresentationMaterial[]
      */
     protected $materials;
 
     /**
-     * @ORM\OneToMany(targetEntity="models\summit\SummitPresentationComment", mappedBy="presentation", cascade={"persist", "remove"}, orphanRemoval=true)
+     * @ORM\OneToMany(targetEntity="models\summit\SummitPresentationComment", mappedBy="presentation", cascade={"persist", "remove"}, orphanRemoval=true, fetch="EXTRA_LAZY")
      * @var SummitPresentationComment[]
      */
     protected $comments;
 
     /**
-     * @ORM\ManyToMany(targetEntity="models\summit\PresentationSpeaker", inversedBy="presentations")
+     * @ORM\ManyToMany(targetEntity="models\summit\PresentationSpeaker", inversedBy="presentations" , fetch="EXTRA_LAZY")
      * @ORM\JoinTable(name="Presentation_Speakers",
      *  joinColumns={
      *     @ORM\JoinColumn(name="PresentationID", referencedColumnName="ID", onDelete="CASCADE")
@@ -179,7 +179,7 @@ class Presentation extends SummitEvent
     protected $speakers;
 
     /**
-     * @ORM\OneToMany(targetEntity="models\summit\SummitSelectedPresentation", mappedBy="presentation", cascade={"persist", "remove"}, orphanRemoval=true)
+     * @ORM\OneToMany(targetEntity="models\summit\SummitSelectedPresentation", mappedBy="presentation", cascade={"persist", "remove"}, orphanRemoval=true, fetch="EXTRA_LAZY")
      * @var SummitSelectedPresentation[]
      */
     protected $selected_presentations;
diff --git a/app/Models/Foundation/Summit/Events/SummitEvent.php b/app/Models/Foundation/Summit/Events/SummitEvent.php
index 74da6032..d3c3af41 100644
--- a/app/Models/Foundation/Summit/Events/SummitEvent.php
+++ b/app/Models/Foundation/Summit/Events/SummitEvent.php
@@ -141,7 +141,7 @@ class SummitEvent extends SilverstripeBaseModel
     protected $rsvp_template;
 
     /**
-     * @ORM\OneToMany(targetEntity="models\summit\RSVP", mappedBy="event", cascade={"persist"})
+     * @ORM\OneToMany(targetEntity="models\summit\RSVP", mappedBy="event", cascade={"persist"}, fetch="EXTRA_LAZY")
      * @var RSVP[]
      */
     protected $rsvp;
@@ -189,14 +189,14 @@ class SummitEvent extends SilverstripeBaseModel
     protected $sponsors;
 
     /**
-     * @ORM\OneToMany(targetEntity="models\summit\SummitEventFeedback", mappedBy="event", cascade={"persist"})
+     * @ORM\OneToMany(targetEntity="models\summit\SummitEventFeedback", mappedBy="event", cascade={"persist"}, fetch="EXTRA_LAZY")
      * @ORM\Cache("NONSTRICT_READ_WRITE")
      * @var SummitEventFeedback[]
      */
     protected $feedback;
 
     /**
-     * @ORM\ManyToMany(targetEntity="models\main\Tag", cascade={"persist"}, inversedBy="events")
+     * @ORM\ManyToMany(targetEntity="models\main\Tag", cascade={"persist"}, inversedBy="events", fetch="EXTRA_LAZY")
      * @ORM\JoinTable(name="SummitEvent_Tags",
      *      joinColumns={@ORM\JoinColumn(name="SummitEventID", referencedColumnName="ID")},
      *      inverseJoinColumns={@ORM\JoinColumn(name="TagID", referencedColumnName="ID")}
@@ -205,7 +205,7 @@ class SummitEvent extends SilverstripeBaseModel
     protected $tags;
 
     /**
-     * @ORM\OneToMany(targetEntity="models\summit\SummitEventAttendanceMetric", mappedBy="event", cascade={"persist","remove"}, orphanRemoval=true)
+     * @ORM\OneToMany(targetEntity="models\summit\SummitEventAttendanceMetric", mappedBy="event", cascade={"persist","remove"}, orphanRemoval=true, fetch="EXTRA_LAZY")
      * @var SummitEventAttendanceMetric[]
      */
     protected $attendance_metrics;
@@ -1165,6 +1165,7 @@ class SummitEvent extends SilverstripeBaseModel
     public function getCurrentAttendance(){
         $criteria = Criteria::create();
         $criteria = $criteria->where(Criteria::expr()->isNull('outgress_date'));
+        $criteria = $criteria->orderBy(['created' => Criteria::DESC]);
         return $this->attendance_metrics->matching($criteria)->toArray();
     }
 
diff --git a/app/Models/Foundation/Summit/SummitOwned.php b/app/Models/Foundation/Summit/SummitOwned.php
index 554aa2f6..910d60eb 100644
--- a/app/Models/Foundation/Summit/SummitOwned.php
+++ b/app/Models/Foundation/Summit/SummitOwned.php
@@ -21,7 +21,7 @@ use Doctrine\ORM\Mapping AS ORM;
 trait SummitOwned
 {
     /**
-     * @ORM\ManyToOne(targetEntity="models\summit\Summit")
+     * @ORM\ManyToOne(targetEntity="models\summit\Summit", fetch="EXTRA_LAZY")
      * @ORM\JoinColumn(name="SummitID", referencedColumnName="ID")
      * @var Summit
      */