diff --git a/app/models/sessions.rb b/app/models/sessions.rb
index 2184c9998..c32ce5884 100644
--- a/app/models/sessions.rb
+++ b/app/models/sessions.rb
@@ -8,4 +8,7 @@ class Sessions < ActiveRecord::Base
   scope :upcoming, -> { where("date_and_time >= ?", DateTime.now).order(:date_and_time) }
   scope :next, ->  { upcoming.first }
 
+  def host
+    SponsorSession.hosts.for_session(self.id).first.sponsor
+  end
 end
diff --git a/app/models/sponsor.rb b/app/models/sponsor.rb
index 3c8a219a5..48d35381b 100644
--- a/app/models/sponsor.rb
+++ b/app/models/sponsor.rb
@@ -3,5 +3,5 @@ class Sponsor < ActiveRecord::Base
   has_many :sponsor_sessions
   has_many :sessions, through: :sponsor_sessions
 
-  validates :name, :description, :address, presence: true
+  validates :name, :description, :address, :avatar, presence: true
 end
\ No newline at end of file
diff --git a/app/models/sponsor_session.rb b/app/models/sponsor_session.rb
index 2ff260e40..a05828e22 100644
--- a/app/models/sponsor_session.rb
+++ b/app/models/sponsor_session.rb
@@ -2,4 +2,8 @@ class SponsorSession < ActiveRecord::Base
   belongs_to :sponsor
   belongs_to :sessions
 
+  validates :host, uniqueness: { scope: :sessions_id }
+
+  scope :hosts, -> { where('sponsor_sessions.host = ?', true) }
+  scope :for_session, ->(session_id)  { where('sponsor_sessions.sessions_id = ?', session_id) }
 end
diff --git a/db/migrate/20131107182457_add_avatar_to_sponsor.rb b/db/migrate/20131107182457_add_avatar_to_sponsor.rb
new file mode 100644
index 000000000..39953f142
--- /dev/null
+++ b/db/migrate/20131107182457_add_avatar_to_sponsor.rb
@@ -0,0 +1,5 @@
+class AddAvatarToSponsor < ActiveRecord::Migration
+  def change
+    add_column :sponsors, :avatar, :string
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2bed75bc2..53a28dfa0 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20131104030726) do
+ActiveRecord::Schema.define(version: 20131107182457) do
 
   create_table "addresses", force: true do |t|
     t.string   "flat"
@@ -124,6 +124,7 @@
     t.text     "description"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "avatar"
   end
 
 end
diff --git a/spec/fabricators/sponsor_fabricator.rb b/spec/fabricators/sponsor_fabricator.rb
index 006d8c329..c9edc15d7 100644
--- a/spec/fabricators/sponsor_fabricator.rb
+++ b/spec/fabricators/sponsor_fabricator.rb
@@ -1,5 +1,6 @@
 Fabricator(:sponsor) do
   name { Faker::Name.name }
   description { Faker::Lorem.paragraph }
+  avatar { Faker::Internet.url }
   address { Fabricate(:address) }
 end
diff --git a/spec/fabricators/sponsor_session_fabricator.rb b/spec/fabricators/sponsor_session_fabricator.rb
new file mode 100644
index 000000000..a24e5e4a0
--- /dev/null
+++ b/spec/fabricators/sponsor_session_fabricator.rb
@@ -0,0 +1,8 @@
+Fabricator(:sponsor_session) do
+  sponsor
+  sessions
+end
+
+Fabricator(:hosted_session, from: :sponsor_session) do
+  host true
+end
\ No newline at end of file
diff --git a/spec/models/sessions_spec.rb b/spec/models/sessions_spec.rb
index ed3b0e117..29ec041f5 100644
--- a/spec/models/sessions_spec.rb
+++ b/spec/models/sessions_spec.rb
@@ -25,6 +25,15 @@
     it "#next" do
       Sessions.next.should eq set_upcoming.first
     end
+
+    describe "#host" do
+      let(:sponsor) { Fabricate(:sponsor) }
+      before do
+        Fabricate(:sponsor_session, sponsor: sponsor, sessions: session, host: true)
+      end
+
+      it { expect(session.host).to eq(sponsor) }
+    end
   end
 
   it "#attending" do
diff --git a/spec/models/sponsor_session_spec.rb b/spec/models/sponsor_session_spec.rb
new file mode 100644
index 000000000..4809e56c5
--- /dev/null
+++ b/spec/models/sponsor_session_spec.rb
@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+describe SponsorSession do
+  subject(:sponsor_session) { Fabricate(:hosted_session) }
+
+  context 'when the session has more than one host' do
+    let(:other_sponsor) { Fabricate(:sponsor) }
+
+    let(:another_host_session) do
+      Fabricate.build(:sponsor_session,
+      sponsor: other_sponsor,
+      sessions: sponsor_session.sessions,
+      host: true)
+    end
+
+    it { another_host_session.should have(1).error_on(:host) }
+  end
+
+  context '#scopes' do
+    let!(:hosted_session) { Fabricate(:hosted_session) }
+
+    it '#hosts' do
+      expect(SponsorSession.hosts.length).to eq(1)
+    end
+
+    describe '#for_session' do
+      let(:session) { hosted_session.sessions }
+
+      it { expect(SponsorSession.for_session(session.id).length).to eq(1) }
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/models/sponsor_spec.rb b/spec/models/sponsor_spec.rb
index a10b767d4..6daf6d531 100644
--- a/spec/models/sponsor_spec.rb
+++ b/spec/models/sponsor_spec.rb
@@ -6,8 +6,9 @@
   it { should respond_to(:name) }
   it { should respond_to(:description) }
   it { should respond_to(:address) }
-  it { should respond_to(:sessions)}
-  it { should respond_to(:sponsor_sessions)}
+  it { should respond_to(:sessions) }
+  it { should respond_to(:sponsor_sessions) }
+  it { should respond_to(:avatar) }
   it { should be_valid }
 
   context 'validations' do
@@ -30,6 +31,13 @@
         it { should_not be_valid}
         it { should have(1).error_on(:address) }
       end
+
+      describe '#avatar' do
+        before { sponsor.avatar = nil }
+
+        it{ should_not be_valid }
+        it{ should have(1).error_on(:avatar) }
+      end
     end
   end