diff --git a/app/assets/images/person.svg b/app/assets/images/person.svg
new file mode 100644
index 000000000..1e29ed27d
--- /dev/null
+++ b/app/assets/images/person.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 17 17"><path d="m11.5 10.3-.6-.2c-.2-.5-.3-1.1-.1-1.6 1.1-1.2 1.6-2.7 1.5-4.3 0-2.4-1.6-4.2-3.8-4.2S4.7 1.8 4.7 4.2c-.1 1.5.4 3.1 1.5 4.3.2.5.2 1.1-.1 1.6l-.6.2c-2.4.9-4.2 1.5-4.8 2.6-.4 1.2-.7 2.4-.7 3.6 0 .3.2.5.5.5h16c.3 0 .5-.2.5-.5 0-1.2-.3-2.4-.7-3.5-.6-1.1-2.4-1.8-4.8-2.7"/></svg>
\ No newline at end of file
diff --git a/app/assets/stylesheets/bubbles.css b/app/assets/stylesheets/bubbles.css
index 31021bf8a..f8a1fdd53 100644
--- a/app/assets/stylesheets/bubbles.css
+++ b/app/assets/stylesheets/bubbles.css
@@ -134,6 +134,29 @@
     }
   }
 
+  &.bubble__assignee {
+    aspect-ratio: 1;
+    inset: -1cqi auto auto 28cqi;
+    padding: 0.4em;
+
+    select {
+      inset: 0;
+      position: absolute;
+    }
+
+    @media (hover: hover) {
+      .windshield .bubble:hover & {
+        transform: translate(1rem, 0);
+      }
+    }
+  }
+
+  &.bubble__assignee--new {
+    .windshield & {
+      display: none;
+    }
+  }
+
   &.bubble__attachment {
     aspect-ratio: 1;
     inset: -4cqi 24cqi auto auto;
@@ -199,7 +222,7 @@
     white-space: nowrap;
     z-index: 1;
 
-    &:has(.input:not([type="file"], [type="date"])) {
+    &:has(.input:not([type="file"], [type="date"], select)) {
       border-radius: 2em;
       padding: 0.2em 0.5em;
 
diff --git a/app/controllers/assignments_controller.rb b/app/controllers/assignments_controller.rb
new file mode 100644
index 000000000..d21cbb59f
--- /dev/null
+++ b/app/controllers/assignments_controller.rb
@@ -0,0 +1,30 @@
+class AssignmentsController < ApplicationController
+  before_action :set_bubble, only: %i[ create update ]
+  before_action :set_assignment, only: :update
+
+  def create
+    @assignment = @bubble.assignments.build(assignment_params)
+    @assignment.save
+
+    redirect_to @bubble
+  end
+
+  def update
+    @assignment.update(assignment_params)
+    redirect_to @bubble
+  end
+
+  private
+
+  def assignment_params
+    params.require(:assignment).permit(:user_id)
+  end
+
+  def set_assignment
+    @assignment = @bubble.assignments.find(params[:id])
+  end
+
+  def set_bubble
+    @bubble = Bubble.find(params[:bubble_id])
+  end
+end
diff --git a/app/models/assignment.rb b/app/models/assignment.rb
new file mode 100644
index 000000000..4eed95605
--- /dev/null
+++ b/app/models/assignment.rb
@@ -0,0 +1,6 @@
+class Assignment < ApplicationRecord
+  belongs_to :user
+  belongs_to :bubble
+
+  validates :user_id, uniqueness: { scope: :bubble_id }
+end
diff --git a/app/models/bubble.rb b/app/models/bubble.rb
index a6841431b..f0d47395d 100644
--- a/app/models/bubble.rb
+++ b/app/models/bubble.rb
@@ -7,6 +7,9 @@ class Bubble < ApplicationRecord
   has_many :taggings, dependent: :destroy
   has_many :tags, through: :taggings
 
+  has_many :assignments, dependent: :destroy
+  has_many :assignees, through: :assignments, source: :user
+
   has_one_attached :image, dependent: :purge_later
 
   enum :color, %w[
diff --git a/app/models/user.rb b/app/models/user.rb
index 98f699bec..9a96b31c8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,6 +1,9 @@
 class User < ApplicationRecord
   belongs_to :account
 
+  has_many :assignments
+  has_many :assigned, through: :assignments, source: :bubble
+
   has_many :sessions, dependent: :destroy
   has_secure_password validations: false
 
diff --git a/app/views/bubbles/_assignments.html.erb b/app/views/bubbles/_assignments.html.erb
new file mode 100644
index 000000000..4568e1769
--- /dev/null
+++ b/app/views/bubbles/_assignments.html.erb
@@ -0,0 +1,17 @@
+<span class="bubble__bubble bubble__meta bubble__assignee <%= "bubble__assignee--new" if bubble.assignees.none? %>">
+  <%= form_with model: [bubble, Assignment.new], data: { controller: "form" } do |form| %>
+    <label class="btn btn--plain position-relative" style="--btn-icon-size: 2em;">
+      <% if bubble.assignees.any? %>
+        <figure class="avatar fill-black txt-reversed flex-item-no-shrink"><strong><%= bubble.assignees.first.initials %></strong></figure>
+      <% else %>
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 17 17" fill="var(--bubble-color)"><path d="m11.5 10.3-.6-.2c-.2-.5-.3-1.1-.1-1.6 1.1-1.2 1.6-2.7 1.5-4.3 0-2.4-1.6-4.2-3.8-4.2S4.7 1.8 4.7 4.2c-.1 1.5.4 3.1 1.5 4.3.2.5.2 1.1-.1 1.6l-.6.2c-2.4.9-4.2 1.5-4.8 2.6-.4 1.2-.7 2.4-.7 3.6 0 .3.2.5.5.5h16c.3 0 .5-.2.5-.5 0-1.2-.3-2.4-.7-3.5-.6-1.1-2.4-1.8-4.8-2.7"/></svg>
+      <% end %>
+      <%= form.collection_select :user_id, User.all, :id, :name,
+          { prompt: "Assign to…", selected: bubble.assignees.pluck(:user_id) },
+          { class: "input input--hidden txt-medium", data: { action: "change->form#submit click->form#showPicker" } }
+      %>
+      <span class="for-screen-reader">Assign to…</span>
+    </label>
+    <%= form.submit "Save", class: "btn", hidden: true %>
+  <% end %>
+</span>
diff --git a/app/views/bubbles/_bubble.html.erb b/app/views/bubbles/_bubble.html.erb
index 7639f07d5..c87317320 100644
--- a/app/views/bubbles/_bubble.html.erb
+++ b/app/views/bubbles/_bubble.html.erb
@@ -14,6 +14,7 @@
     <span class="for-screen-reader"><%= bubble.title %></span>
   <% end %>
 
+  <%= render "bubbles/assignments", bubble: bubble %>
   <%= render "bubbles/boosts", bubble: bubble %>
   <%= render "bubbles/color", bubble: bubble %>
   <%= render "bubbles/date", bubble: bubble %>
diff --git a/app/views/bubbles/_date.html.erb b/app/views/bubbles/_date.html.erb
index f67f885b1..647e30c56 100644
--- a/app/views/bubbles/_date.html.erb
+++ b/app/views/bubbles/_date.html.erb
@@ -2,7 +2,7 @@
   <%= form_with model: bubble, data: { controller: "form" } do |form| %>
     <label class="bubble__bubble bubble__meta bubble__date">
       <%= bubble.due_on.strftime("%b <br> %d").html_safe %>
-      <%= form.date_field :due_on, class: "input input--hidden", data: { action: "change->form#submit click->form#showPicker"} %>
+      <%= form.date_field :due_on, class: "input input--hidden", data: { action: "change->form#submit click->form#showPicker" } %>
       <span class="for-screen-reader">Change the due date</span>
     </label>
   <% end %>
diff --git a/config/routes.rb b/config/routes.rb
index 2c775334b..7cafc501d 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -6,6 +6,7 @@ Rails.application.routes.draw do
   resources :bubbles do
     resource :image, controller: "bubbles/images"
 
+    resources :assignments
     resources :boosts
     resources :comments
     resources :tags, shallow: true
diff --git a/db/migrate/20240917174301_create_assignments.rb b/db/migrate/20240917174301_create_assignments.rb
new file mode 100644
index 000000000..0c2fc5928
--- /dev/null
+++ b/db/migrate/20240917174301_create_assignments.rb
@@ -0,0 +1,10 @@
+class CreateAssignments < ActiveRecord::Migration[8.0]
+  def change
+    create_table :assignments do |t|
+      t.references :user, null: false, foreign_key: true
+      t.references :bubble, null: false, foreign_key: true
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 8cdd61d63..16ec490fa 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2024_09_13_172737) do
+ActiveRecord::Schema[8.0].define(version: 2024_09_17_174301) do
   create_table "accounts", force: :cascade do |t|
     t.string "name", null: false
     t.datetime "created_at", null: false
@@ -46,6 +46,15 @@ ActiveRecord::Schema[8.0].define(version: 2024_09_13_172737) do
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
+  create_table "assignments", force: :cascade do |t|
+    t.integer "user_id", null: false
+    t.integer "bubble_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["bubble_id"], name: "index_assignments_on_bubble_id"
+    t.index ["user_id"], name: "index_assignments_on_user_id"
+  end
+
   create_table "boosts", force: :cascade do |t|
     t.string "body"
     t.integer "creator_id", null: false
@@ -111,6 +120,8 @@ ActiveRecord::Schema[8.0].define(version: 2024_09_13_172737) do
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "assignments", "bubbles"
+  add_foreign_key "assignments", "users"
   add_foreign_key "sessions", "users"
   add_foreign_key "taggings", "bubbles"
   add_foreign_key "taggings", "tags"
diff --git a/test/fixtures/assignments.yml b/test/fixtures/assignments.yml
new file mode 100644
index 000000000..ba61196f4
--- /dev/null
+++ b/test/fixtures/assignments.yml
@@ -0,0 +1,9 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  user: :kevin
+  bubble: one
+
+two:
+  user: :jz
+  bubble: two
diff --git a/test/fixtures/bubbles.yml b/test/fixtures/bubbles.yml
index 7cad9188f..1700e3862 100644
--- a/test/fixtures/bubbles.yml
+++ b/test/fixtures/bubbles.yml
@@ -3,13 +3,14 @@
 one:
   title: The logo isn't big enough
   body: Make the logo bigger.
-  color: '#AF2E1B'
+  color: '#ED8008'
   creator: :david
+  due_on: <%= 3.days.from_now %>
 
 two:
   title: Layout is broken
   body: The page scrolls horizontally on mobile devices.
-  color: '#CC6324'
+  color: '#698F9C'
   creator: :jz
 
 three:
diff --git a/test/models/assignment_test.rb b/test/models/assignment_test.rb
new file mode 100644
index 000000000..ca8f09a34
--- /dev/null
+++ b/test/models/assignment_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class AssignmentTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end