diff --git a/db/manifest b/db/manifest
index e51930a82..0a15a0b99 100755
--- a/db/manifest
+++ b/db/manifest
@@ -242,4 +242,7 @@ active_jam_track.sql
 bpms_on_tap_in.sql
 jamtracks_job.sql
 text_messages.sql
-text_message_migration.sql
\ No newline at end of file
+text_message_migration.sql
+user_model_about_changes.sql
+performance_samples.sql
+user_presences.sql
\ No newline at end of file
diff --git a/db/up/performance_samples.sql b/db/up/performance_samples.sql
new file mode 100644
index 000000000..60c0cb38e
--- /dev/null
+++ b/db/up/performance_samples.sql
@@ -0,0 +1,10 @@
+CREATE TABLE performance_samples (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id VARCHAR(64) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    url VARCHAR(4000) NULL,
+    type VARCHAR(100) NOT NULL,
+    claimed_recording_id VARCHAR(64) REFERENCES claimed_recordings(id) ON DELETE CASCADE,
+    service_id VARCHAR(100) NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
\ No newline at end of file
diff --git a/db/up/user_model_about_changes.sql b/db/up/user_model_about_changes.sql
new file mode 100644
index 000000000..29cbbd0cc
--- /dev/null
+++ b/db/up/user_model_about_changes.sql
@@ -0,0 +1,25 @@
+ALTER TABLE users ADD COLUMN website varchar(4000) NULL;
+ALTER TABLE users ADD COLUMN skill_level smallint NULL;
+ALTER TABLE users ADD COLUMN concert_count smallint NULL;
+ALTER TABLE users ADD COLUMN studio_session_count smallint NULL;
+
+-- virtual band
+ALTER TABLE users ADD COLUMN virtual_band boolean NOT NULL DEFAULT FALSE;
+ALTER TABLE users ADD COLUMN virtual_band_commitment smallint NULL;
+
+-- traditional band
+ALTER TABLE users ADD COLUMN traditional_band boolean NOT NULL DEFAULT FALSE;
+ALTER TABLE users ADD COLUMN traditional_band_commitment smallint NULL;
+ALTER TABLE users ADD COLUMN traditional_band_touring boolean NULL;
+
+-- paid sessions
+ALTER TABLE users ADD COLUMN paid_sessions boolean NOT NULL DEFAULT FALSE;
+ALTER TABLE users ADD COLUMN paid_sessions_hourly_rate int NULL;
+ALTER TABLE users ADD COLUMN paid_sessions_daily_rate int NULL;
+
+-- free sessions
+ALTER TABLE users ADD COLUMN free_sessions boolean NOT NULL DEFAULT FALSE;
+
+-- cowriting
+ALTER TABLE users ADD COLUMN cowriting boolean NOT NULL DEFAULT FALSE;
+ALTER TABLE users ADD COLUMN cowriting_purpose smallint NULL;
\ No newline at end of file
diff --git a/db/up/user_presences.sql b/db/up/user_presences.sql
new file mode 100644
index 000000000..d18090634
--- /dev/null
+++ b/db/up/user_presences.sql
@@ -0,0 +1,8 @@
+CREATE TABLE user_presences (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id VARCHAR(64) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    type VARCHAR(100) NOT NULL,
+    username VARCHAR(100) NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
\ No newline at end of file
diff --git a/ruby/lib/jam_ruby/models/user.rb b/ruby/lib/jam_ruby/models/user.rb
index c59021903..30bde5246 100644
--- a/ruby/lib/jam_ruby/models/user.rb
+++ b/ruby/lib/jam_ruby/models/user.rb
@@ -342,6 +342,11 @@ module JamRuby
       self.recordings.size
     end
 
+    def age
+      now = Time.now.utc.to_date
+      self.birth_date.nil? ? "unspecified" : now.year - self.birth_date.year - (self.birth_date.to_date.change(:year => now.year) > now ? 1 : 0) 
+    end
+
     def session_count
       MusicSession.where("user_id = ? AND started_at IS NOT NULL", self.id).size
     end
diff --git a/ruby/spec/jam_ruby/models/user_spec.rb b/ruby/spec/jam_ruby/models/user_spec.rb
index ec8b8440d..6d51c9b6e 100644
--- a/ruby/spec/jam_ruby/models/user_spec.rb
+++ b/ruby/spec/jam_ruby/models/user_spec.rb
@@ -25,6 +25,22 @@ describe User do
     should respond_to(:can_invite)
     should respond_to(:mods)
     should respond_to(:last_jam_audio_latency)
+    should respond_to(:website)
+    should respond_to(:age)
+    should respond_to(:skill_level)
+    should respond_to(:concert_count)
+    should respond_to(:studio_session_count)
+    should respond_to(:virtual_band)
+    should respond_to(:virtual_band_commitment)
+    should respond_to(:traditional_band)
+    should respond_to(:traditional_band_commitment)
+    should respond_to(:traditional_band_touring)
+    should respond_to(:paid_sessions)
+    should respond_to(:paid_sessions_hourly_rate)
+    should respond_to(:paid_sessions_daily_rate)
+    should respond_to(:free_sessions)
+    should respond_to(:cowriting)
+    should respond_to(:cowriting_purpose)
     should be_valid
     should_not be_admin
   }
@@ -649,6 +665,18 @@ describe User do
     end
   end
 
+  describe "age" do
+    let(:user) {FactoryGirl.create(:user)}
+    
+    it "should calculate age based on birth_date" do
+      user.birth_date = Time.now - 10.years
+      user.age.should == 10
+
+      user.birth_date = Time.now - 10.years + 3.months
+      user.age.should == 9
+    end
+  end
+
   describe "mods_merge" do
     let(:user) {FactoryGirl.create(:user)}