diff --git a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java
index bd1b17d78..3545251c8 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java
@@ -102,7 +102,7 @@ public class DataManagementPlanManager {
                         item.setDataset(
                                 item.getDataset().stream()
                                         .filter(ds -> !ds.getStatus().equals(Dataset.Status.DELETED.getValue())).collect(Collectors.toList()).stream()
-                                        .filter(dataset -> dataset.getDmp().getCreator().getId().equals(principalID)
+                                        .filter(dataset -> dataset.getDmp().getUsers().stream().filter(userDMP -> userDMP.getRole().equals(UserDMP.UserDMPRoles.OWNER.getValue())).findFirst().get().getUser().getId().equals(principalID)
                                         || dataset.isPublic()
                                         || dataset.getDmp().getUsers().stream()
                                         .filter(x -> x.getUser().getId().equals(principalID))
@@ -270,7 +270,7 @@ public class DataManagementPlanManager {
 
     public eu.eudat.models.data.dmp.DataManagementPlan getSingle(String id, Principal principal, DynamicProjectConfiguration dynamicProjectConfiguration) throws InstantiationException, IllegalAccessException {
         DMP dataManagementPlanEntity = databaseRepository.getDmpDao().find(UUID.fromString(id));
-        if (dataManagementPlanEntity.getCreator().getId() != principal.getId() && dataManagementPlanEntity.getUsers().stream().filter(userInfo -> userInfo.getUser().getId() == principal.getId()).collect(Collectors.toList()).size() == 0)
+        if (dataManagementPlanEntity.getUsers().stream().filter(userInfo -> userInfo.getUser().getId() == principal.getId()).collect(Collectors.toList()).size() == 0)
             throw new UnauthorisedException();
         eu.eudat.models.data.dmp.DataManagementPlan datamanagementPlan = new eu.eudat.models.data.dmp.DataManagementPlan();
         datamanagementPlan.fromDataModel(dataManagementPlanEntity);
@@ -296,7 +296,7 @@ public class DataManagementPlanManager {
 
     public DataManagementPlanOverviewModel getOverviewSingle(String id, Principal principal) throws InstantiationException, IllegalAccessException {
         DMP dataManagementPlanEntity = databaseRepository.getDmpDao().find(UUID.fromString(id));
-        if (dataManagementPlanEntity.getCreator().getId() != principal.getId() && dataManagementPlanEntity.getUsers()
+        if (dataManagementPlanEntity.getUsers()
                 .stream().filter(userInfo -> userInfo.getUser().getId() == principal.getId())
                 .collect(Collectors.toList()).size() == 0)
             throw new UnauthorisedException();
@@ -408,7 +408,7 @@ public class DataManagementPlanManager {
 
         DMP newDmp = dataManagementPlan.toDataModel();
         UserInfo user = apiContext.getOperationsContext().getDatabaseRepository().getUserInfoDao().find(principal.getId());
-        newDmp.setCreator(user);
+        //newDmp.setCreator(user);
 
         createOrganisationsIfTheyDontExist(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getOrganisationDao());
         createResearchersIfTheyDontExist(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getResearcherDao());
@@ -417,7 +417,8 @@ public class DataManagementPlanManager {
         try {
             DMP dmp = apiContext.getOperationsContext().getDatabaseRepository().getDmpDao().find(dataManagementPlan.getId());
             newDmp.setCreated(dmp.getCreated());
-            if (dmp.getCreator().getId().equals(principal.getId())) {
+            if (dmp.getUsers().stream().filter(userInfo -> userInfo.getUser().getId() == principal.getId())
+                    .collect(Collectors.toList()).size() == 0) {
                 List<UserDMP> userDMPList = dmp.getUsers().stream().collect(Collectors.toList());
                 for (UserInfoListingModel userInfoListingModel : dataManagementPlan.getUsers()) {
                     for(UserDMP userDMP : userDMPList) {
@@ -469,11 +470,18 @@ public class DataManagementPlanManager {
             createResearchersIfTheyDontExist(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getResearcherDao());
             UserInfo user = apiContext.getOperationsContext().getBuilderFactory().getBuilder(UserInfoBuilder.class).id(principal.getId()).build();
             createProjectIfItDoesntExist(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getProjectDao(), user);
-            newDmp.setCreator(user);
+
             newDmp.setGroupId(oldDmp.getGroupId());
             newDmp.setVersion(oldDmp.getVersion() + 1);
             newDmp.setId(null);
             newDmp = apiContext.getOperationsContext().getDatabaseRepository().getDmpDao().createOrUpdate(newDmp);
+
+            // Assign creator.
+            UserDMP userDMP = new UserDMP();
+            userDMP.setDmp(newDmp);
+            userDMP.setUser(user);
+            userDMP.setRole((UserDMP.UserDMPRoles.OWNER.getValue()));
+
             copyDatasets(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getDatasetDao());
         } else {
             throw new DMPNewVersionException("Version to update not the latest.");
@@ -486,11 +494,17 @@ public class DataManagementPlanManager {
         createResearchersIfTheyDontExist(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getResearcherDao());
         UserInfo user = apiContext.getOperationsContext().getBuilderFactory().getBuilder(UserInfoBuilder.class).id(principal.getId()).build();
         createProjectIfItDoesntExist(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getProjectDao(), user);
-        newDmp.setCreator(user);
+
         newDmp.setGroupId(UUID.randomUUID());
         newDmp.setVersion(0);
         newDmp.setId(null);
         newDmp = apiContext.getOperationsContext().getDatabaseRepository().getDmpDao().createOrUpdate(newDmp);
+
+        // Assign creator.
+        UserDMP userDMP = new UserDMP();
+        userDMP.setDmp(newDmp);
+        userDMP.setUser(user);
+        userDMP.setRole((UserDMP.UserDMPRoles.OWNER.getValue()));
         copyDatasets(newDmp, apiContext.getOperationsContext().getDatabaseRepository().getDatasetDao());
     }
 
diff --git a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/ProjectManager.java b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/ProjectManager.java
index eacf3df35..41d906842 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/ProjectManager.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/ProjectManager.java
@@ -1,5 +1,6 @@
 package eu.eudat.logic.managers;
 
+import eu.eudat.data.entities.UserDMP;
 import eu.eudat.exceptions.project.ProjectWithDMPsDeleteException;
 import eu.eudat.logic.builders.entity.ContentBuilder;
 import eu.eudat.logic.builders.model.models.ProjectBuilder;
@@ -64,7 +65,8 @@ public class ProjectManager {
         if (fieldsGroup.equals("listing")) {
             projectsFuture = pagedItems.withHint(HintedModelFactory.getHint(ProjectListingModel.class)).selectAsync(item -> {
                 item.setDmps(item.getDmps().stream().filter(
-                        dmp -> dmp.getCreator().getId().equals(principal.getId()) || dmp.getUsers().stream().filter(user -> user.getUser().getId().equals(principal.getId())).collect(Collectors.toList()).size() > 0)
+                        dmp -> dmp.getUsers().stream().filter(userDMP -> userDMP.getRole().equals(UserDMP.UserDMPRoles.OWNER.getValue())).findFirst().get().getUser().getId().equals(principal.getId())
+                                || dmp.getUsers().stream().filter(user -> user.getUser().getId().equals(principal.getId())).collect(Collectors.toList()).size() > 0)
                         .collect(Collectors.groupingBy(DMP::getGroupId))
                         .values().stream()
                         .map(dmps -> dmps.stream().reduce((first, second) -> {
diff --git a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/QuickWizardManager.java b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/QuickWizardManager.java
index aff6e8ee4..eb4cafb83 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/logic/managers/QuickWizardManager.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/logic/managers/QuickWizardManager.java
@@ -42,7 +42,7 @@ public class QuickWizardManager {
         DMP newDmp = dataManagementPlan.toDataModel();
         UserInfo user = apiContext.getOperationsContext().getDatabaseRepository().getUserInfoDao().find(principal.getId());
         createProjectIfItDoesntExist(newDmp, user);
-        newDmp.setCreator(user);
+        //newDmp.setCreator(user);
         DMP dmpret =  apiContext.getOperationsContext().getDatabaseRepository().getDmpDao().createOrUpdate(newDmp);
         if (dataManagementPlan.getAssociatedUsers().size() == 0)
             assignUser(newDmp, user, apiContext);
diff --git a/dmp-backend/web/src/main/java/eu/eudat/models/data/dmp/DataManagementPlan.java b/dmp-backend/web/src/main/java/eu/eudat/models/data/dmp/DataManagementPlan.java
index f616cd872..2762ae0e1 100644
--- a/dmp-backend/web/src/main/java/eu/eudat/models/data/dmp/DataManagementPlan.java
+++ b/dmp-backend/web/src/main/java/eu/eudat/models/data/dmp/DataManagementPlan.java
@@ -211,7 +211,8 @@ public class DataManagementPlan implements DataModel<DMP, DataManagementPlan> {
                 if (fieldOptional.isPresent()) item.setValue(fieldOptional.get().get("value"));
             });
         }
-        if (entity.getCreator() != null) this.creator.fromDataModel(entity.getCreator());
+        if (entity.getUsers().stream().anyMatch(userDMP -> userDMP.getRole().equals(UserDMP.UserDMPRoles.OWNER.getValue())))
+            this.creator.fromDataModel(entity.getUsers().stream().filter(user -> user.getRole().equals(UserDMP.UserDMPRoles.OWNER.getValue())).findFirst().get().getUser());
 
         if (entity.getAssociatedDmps() != null && !entity.getAssociatedDmps().isEmpty()) {
             this.profiles = new LinkedList<>();