diff --git a/server/src/main/java/access/api/InvitationController.java b/server/src/main/java/access/api/InvitationController.java
index 6eb7a627..f741a2fb 100644
--- a/server/src/main/java/access/api/InvitationController.java
+++ b/server/src/main/java/access/api/InvitationController.java
@@ -110,7 +110,13 @@ public ResponseEntity<InvitationResponse> newInvitation(@Validated @RequestBody
         }
 
         List<Invitation> invitations = invitationRequest.getInvites().stream()
-                .filter(emailFormatValidator::isValid)
+                .filter(email -> {
+                    boolean valid = emailFormatValidator.isValid(email);
+                    if (!valid) {
+                        LOG.debug("Not sending invalid email for invitation: " + email);
+                    }
+                    return valid;
+                })
                 .map(invitee -> new Invitation(
                         intendedAuthority,
                         HashGenerator.generateRandomHash(),
diff --git a/server/src/main/java/access/model/Role.java b/server/src/main/java/access/model/Role.java
index 04e32275..ff4baf6e 100644
--- a/server/src/main/java/access/model/Role.java
+++ b/server/src/main/java/access/model/Role.java
@@ -58,6 +58,9 @@ public class Role implements Serializable, Provisionable {
     @Column(name = "identifier")
     private String identifier;
 
+    @Column(name = "organization_guid")
+    private String organizationGUID;
+
     @Formula(value = "(SELECT COUNT(*) FROM user_roles ur WHERE ur.role_id=id)")
     private Long userRoleCount;
 
diff --git a/server/src/main/resources/db/mysql/migration/V33_0__user_institution_admin.sql b/server/src/main/resources/db/mysql/migration/V33_0__user_institution_admin.sql
new file mode 100644
index 00000000..dd050d82
--- /dev/null
+++ b/server/src/main/resources/db/mysql/migration/V33_0__user_institution_admin.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `roles`
+    add `organization_guid` varchar(255) DEFAULT NULL;