diff --git a/app/models/user.rb b/app/models/user.rb
index 04acd124c..9fb1f65c4 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -8,11 +8,17 @@ class User < ActiveRecord::Base
   validates :last_name,  presence: true, if: :use_last_name?
   validates :nickname,   presence: true, if: :use_nickname?
 
-  scope :organizations, -> { where("users.organization_name IS NOT NULL AND users.organization_name <> ''") }
+  has_one :administrator
+  has_one :moderator
+  has_one :organization
+
+  scope :administrators, -> { joins(:administrators) }
+  scope :moderators,     -> { joins(:moderator) }
+  scope :organizations,  -> { joins(:organization) }
 
   def name
     return nickname          if use_nickname?
-    return organization_name if organization?
+    return organization.name if organization?
     "#{first_name} #{last_name}"
   end
 
@@ -25,25 +31,15 @@ class User < ActiveRecord::Base
   end
 
   def administrator?
-    @is_administrator ||= Administrator.where(user_id: id).exists?
+    administrator.present?
   end
 
   def moderator?
-    @is_moderator ||= Moderator.where(user_id: id).exists?
+    moderator.present?
   end
 
   def organization?
-    organization_name.present?
-  end
-
-  def verified_organization?
-    organization_verified_at.present? &&
-      (organization_rejected_at.blank? || organization_rejected_at < organization_verified_at)
-  end
-
-  def rejected_organization?
-    organization_rejected_at.present? &&
-      (organization_verified_at.blank? || organization_verified_at < organization_rejected_at)
+    organization.present?
   end
 
   private
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index c258e2bd1..b357d2818 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -112,64 +112,26 @@ describe User do
   end
 
   describe "organization?" do
-    it "is false when organization_name is blank" do
+    it "is false when the user is not an organization" do
       expect(subject.organization?).to be false
     end
-    it "is true when organization_name exists" do
-      subject.organization_name = "Anonymous"
-      expect(subject.organization?).to be true
-    end
 
-    it "deactivates the validation of first_name and last_name " do
-      subject.first_name = nil
-      subject.last_name = nil
-      subject.organization_name = "The A Team"
-      expect(subject).to be_valid
-    end
+    describe 'when it is an organization' do
+      before(:each) { create(:organization, user: subject) }
 
-    it "calculates the name using the organization name" do
-      subject.organization_name = "The A Team"
-      expect(subject.name).to eq("The A Team")
-    end
-  end
+      it "is true when the user is an organization" do
+        expect(subject.organization?).to be true
+      end
 
-  describe "verified_organization?" do
-    it "is false when organization_verified_at? is blank" do
-      expect(subject.verified_organization?).to be false
-    end
-    it "is true when organization_verified_at? exists" do
-      subject.organization_verified_at = Time.now
-      expect(subject.verified_organization?).to be true
-    end
-    it "is false when the organization was verified and then rejected" do
-      subject.organization_verified_at = Time.now
-      subject.organization_rejected_at = Time.now + 1
-      expect(subject.verified_organization?).to be false
-    end
-    it "is true when the organization was rejected and then verified" do
-      subject.organization_rejected_at = Time.now
-      subject.organization_verified_at = Time.now + 1
-      expect(subject.verified_organization?).to be true
-    end
-  end
+      it "deactivates the validation of first_name and last_name" do
+        subject.first_name = nil
+        subject.last_name = nil
+        expect(subject).to be_valid
+      end
 
-  describe "rejected_organization?" do
-    it "is false when organization_rejected_at? is blank" do
-      expect(subject.rejected_organization?).to be false
-    end
-    it "is true when organization_rejected_at? exists" do
-      subject.organization_rejected_at = Time.now
-      expect(subject.rejected_organization?).to be true
-    end
-    it "is true when the organization was verified and then rejected" do
-      subject.organization_verified_at = Time.now
-      subject.organization_rejected_at = Time.now + 1
-      expect(subject.rejected_organization?).to be true
-    end
-    it "is false when the organization was rejected and then verified" do
-      subject.organization_rejected_at = Time.now
-      subject.organization_verified_at = Time.now + 1
-      expect(subject.rejected_organization?).to be false
+      it "calculates the name using the organization name" do
+        expect(subject.name).to eq(subject.organization.name)
+      end
     end
   end