diff --git a/resources/sql/autopatches/20160331.fund.comments.1.sql b/resources/sql/autopatches/20160331.fund.comments.1.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20160331.fund.comments.1.sql
@@ -0,0 +1,18 @@
+CREATE TABLE {$NAMESPACE}_fund.fund_initiativetransaction_comment (
+  id INT UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  phid VARCHAR(64) NOT NULL,
+  transactionPHID VARCHAR(64),
+  authorPHID VARCHAR(64) NOT NULL,
+  viewPolicy VARCHAR(64) NOT NULL,
+  editPolicy VARCHAR(64) NOT NULL,
+  commentVersion INT UNSIGNED NOT NULL,
+  content LONGTEXT NOT NULL COLLATE {$COLLATE_TEXT},
+  contentSource LONGTEXT NOT NULL COLLATE {$COLLATE_TEXT},
+  isDeleted BOOL NOT NULL,
+  dateCreated INT UNSIGNED NOT NULL,
+  dateModified INT UNSIGNED NOT NULL,
+
+  UNIQUE KEY `key_phid` (phid),
+  UNIQUE KEY `key_version` (transactionPHID, commentVersion)
+
+) ENGINE=InnoDB, COLLATE {$COLLATE_TEXT};
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1024,6 +1024,7 @@
     'FundInitiative' => 'applications/fund/storage/FundInitiative.php',
     'FundInitiativeBackController' => 'applications/fund/controller/FundInitiativeBackController.php',
     'FundInitiativeCloseController' => 'applications/fund/controller/FundInitiativeCloseController.php',
+    'FundInitiativeCommentController' => 'applications/fund/controller/FundInitiativeCommentController.php',
     'FundInitiativeEditController' => 'applications/fund/controller/FundInitiativeEditController.php',
     'FundInitiativeEditor' => 'applications/fund/editor/FundInitiativeEditor.php',
     'FundInitiativeFulltextEngine' => 'applications/fund/search/FundInitiativeFulltextEngine.php',
@@ -1034,6 +1035,7 @@
     'FundInitiativeReplyHandler' => 'applications/fund/mail/FundInitiativeReplyHandler.php',
     'FundInitiativeSearchEngine' => 'applications/fund/query/FundInitiativeSearchEngine.php',
     'FundInitiativeTransaction' => 'applications/fund/storage/FundInitiativeTransaction.php',
+    'FundInitiativeTransactionComment' => 'applications/fund/storage/FundInitiativeTransactionComment.php',
     'FundInitiativeTransactionQuery' => 'applications/fund/query/FundInitiativeTransactionQuery.php',
     'FundInitiativeViewController' => 'applications/fund/controller/FundInitiativeViewController.php',
     'FundSchemaSpec' => 'applications/fund/storage/FundSchemaSpec.php',
@@ -5238,6 +5240,7 @@
     ),
     'FundInitiativeBackController' => 'FundController',
     'FundInitiativeCloseController' => 'FundController',
+    'FundInitiativeCommentController' => 'FundController',
     'FundInitiativeEditController' => 'FundController',
     'FundInitiativeEditor' => 'PhabricatorApplicationTransactionEditor',
     'FundInitiativeFulltextEngine' => 'PhabricatorFulltextEngine',
@@ -5248,6 +5251,7 @@
     'FundInitiativeReplyHandler' => 'PhabricatorApplicationTransactionReplyHandler',
     'FundInitiativeSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'FundInitiativeTransaction' => 'PhabricatorApplicationTransaction',
+    'FundInitiativeTransactionComment' => 'PhabricatorApplicationTransactionComment',
     'FundInitiativeTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'FundInitiativeViewController' => 'FundController',
     'FundSchemaSpec' => 'PhabricatorConfigSchemaSpec',
diff --git a/src/applications/fund/application/PhabricatorFundApplication.php b/src/applications/fund/application/PhabricatorFundApplication.php
--- a/src/applications/fund/application/PhabricatorFundApplication.php
+++ b/src/applications/fund/application/PhabricatorFundApplication.php
@@ -42,6 +42,7 @@
       '/fund/' => array(
         '(?:query/(?P<queryKey>[^/]+)/)?' => 'FundInitiativeListController',
         'create/' => 'FundInitiativeEditController',
+        'comment/(?P<id>[1-9]\d*)/' => 'FundInitiativeCommentController',
         'edit/(?:(?P<id>\d+)/)?' => 'FundInitiativeEditController',
         'close/(?P<id>\d+)/' => 'FundInitiativeCloseController',
         'back/(?P<id>\d+)/' => 'FundInitiativeBackController',
diff --git a/src/applications/fund/controller/FundInitiativeCommentController.php b/src/applications/fund/controller/FundInitiativeCommentController.php
new file mode 100644
--- /dev/null
+++ b/src/applications/fund/controller/FundInitiativeCommentController.php
@@ -0,0 +1,63 @@
+<?php
+
+final class FundInitiativeCommentController
+  extends FundController {
+
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $request->getViewer();
+    $id = $request->getURIData('id');
+
+    if (!$request->isFormPost()) {
+      return new Aphront400Response();
+    }
+
+    $initiative = id(new FundInitiativeQuery())
+      ->setViewer($viewer)
+      ->withIDs(array($id))
+      ->executeOne();
+    if (!$initiative) {
+      return new Aphront404Response();
+    }
+
+    $is_preview = $request->isPreviewRequest();
+    $draft = PhabricatorDraft::buildFromRequest($request);
+
+    $view_uri = '/'.$initiative->getMonogram();
+
+    $xactions = array();
+    $xactions[] = id(new FundInitiativeTransaction())
+      ->setTransactionType(PhabricatorTransactions::TYPE_COMMENT)
+      ->attachComment(
+        id(new FundInitiativeTransactionComment())
+          ->setContent($request->getStr('comment')));
+
+    $editor = id(new FundInitiativeEditor())
+      ->setActor($viewer)
+      ->setContinueOnNoEffect($request->isContinueRequest())
+      ->setContentSourceFromRequest($request)
+      ->setIsPreview($is_preview);
+
+    try {
+      $xactions = $editor->applyTransactions($initiative, $xactions);
+    } catch (PhabricatorApplicationTransactionNoEffectException $ex) {
+      return id(new PhabricatorApplicationTransactionNoEffectResponse())
+        ->setCancelURI($view_uri)
+        ->setException($ex);
+    }
+
+    if ($draft) {
+      $draft->replaceOrDelete();
+    }
+
+    if ($request->isAjax() && $is_preview) {
+      return id(new PhabricatorApplicationTransactionResponse())
+        ->setViewer($viewer)
+        ->setTransactions($xactions)
+        ->setIsPreview($is_preview);
+    } else {
+      return id(new AphrontRedirectResponse())
+        ->setURI($view_uri);
+    }
+  }
+
+}
diff --git a/src/applications/fund/controller/FundInitiativeViewController.php b/src/applications/fund/controller/FundInitiativeViewController.php
--- a/src/applications/fund/controller/FundInitiativeViewController.php
+++ b/src/applications/fund/controller/FundInitiativeViewController.php
@@ -52,12 +52,16 @@
     $timeline = $this->buildTransactionTimeline(
       $initiative,
       new FundInitiativeTransactionQuery());
-    $timeline->setShouldTerminate(true);
+
+    $add_comment = $this->buildCommentForm($initiative);
 
     $view = id(new PHUITwoColumnView())
       ->setHeader($header)
       ->setCurtain($curtain)
-      ->setMainColumn($timeline)
+      ->setMainColumn(array(
+        $timeline,
+        $add_comment,
+      ))
       ->addPropertySection(pht('DETAILS'), $details);
 
     return $this->newPage()
@@ -160,4 +164,27 @@
     return $curtain;
   }
 
+  private function buildCommentForm(FundInitiative $initiative) {
+    $viewer = $this->getViewer();
+
+    $is_serious = PhabricatorEnv::getEnvConfig('phabricator.serious-business');
+
+    $add_comment_header = $is_serious
+      ? pht('Add Comment')
+      : pht('Add Liquidity');
+
+    $draft = PhabricatorDraft::newFromUserAndKey(
+      $viewer, $initiative->getPHID());
+
+    return id(new PhabricatorApplicationTransactionCommentView())
+      ->setUser($viewer)
+      ->setObjectPHID($initiative->getPHID())
+      ->setDraft($draft)
+      ->setHeaderText($add_comment_header)
+      ->setAction(
+        $this->getApplicationURI('/comment/'.$initiative->getID().'/'))
+      ->setSubmitButtonName(pht('Add Comment'));
+  }
+
+
 }
diff --git a/src/applications/fund/editor/FundInitiativeEditor.php b/src/applications/fund/editor/FundInitiativeEditor.php
--- a/src/applications/fund/editor/FundInitiativeEditor.php
+++ b/src/applications/fund/editor/FundInitiativeEditor.php
@@ -23,6 +23,7 @@
     $types[] = FundInitiativeTransaction::TYPE_MERCHANT;
     $types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
     $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
+    $types[] = PhabricatorTransactions::TYPE_COMMENT;
 
     return $types;
   }
diff --git a/src/applications/fund/storage/FundInitiativeTransaction.php b/src/applications/fund/storage/FundInitiativeTransaction.php
--- a/src/applications/fund/storage/FundInitiativeTransaction.php
+++ b/src/applications/fund/storage/FundInitiativeTransaction.php
@@ -27,7 +27,7 @@
   }
 
   public function getApplicationTransactionCommentObject() {
-    return null;
+    return new FundInitiativeTransactionComment();
   }
 
   public function getRequiredHandlePHIDs() {
diff --git a/src/applications/fund/storage/FundInitiativeTransactionComment.php b/src/applications/fund/storage/FundInitiativeTransactionComment.php
new file mode 100644
--- /dev/null
+++ b/src/applications/fund/storage/FundInitiativeTransactionComment.php
@@ -0,0 +1,10 @@
+<?php
+
+final class FundInitiativeTransactionComment
+  extends PhabricatorApplicationTransactionComment {
+
+  public function getApplicationTransactionObject() {
+    return new FundInitiativeTransaction();
+  }
+
+}