diff --git a/web/modals/user-profile/user-profile-modal.react.js b/web/modals/user-profile/user-profile-modal.react.js
--- a/web/modals/user-profile/user-profile-modal.react.js
+++ b/web/modals/user-profile/user-profile-modal.react.js
@@ -3,8 +3,10 @@
 import * as React from 'react';
 
 import { useModalContext } from 'lib/components/modal-provider.react.js';
+import { useUserProfileThreadInfo } from 'lib/shared/thread-utils.js';
 import type { UserInfo } from 'lib/types/user-types.js';
 
+import UserProfileMenu from './user-profile-menu.react.js';
 import UserProfile from './user-profile.react.js';
 import { useSelector } from '../../redux/redux-utils.js';
 import Modal from '../modal.react.js';
@@ -22,9 +24,25 @@
     state => state.userStore.userInfos[userID],
   );
 
+  const userProfileThreadInfo = useUserProfileThreadInfo(userInfo);
+
+  const menuButton = React.useMemo(() => {
+    if (!userProfileThreadInfo) {
+      return null;
+    }
+    return <UserProfileMenu threadInfo={userProfileThreadInfo.threadInfo} />;
+  }, [userProfileThreadInfo]);
+
   return (
-    <Modal size="fit-content" onClose={popModal}>
-      <UserProfile userInfo={userInfo} />
+    <Modal
+      size="fit-content"
+      onClose={popModal}
+      secondaryHeaderButton={menuButton}
+    >
+      <UserProfile
+        userInfo={userInfo}
+        userProfileThreadInfo={userProfileThreadInfo}
+      />
     </Modal>
   );
 }
diff --git a/web/modals/user-profile/user-profile.react.js b/web/modals/user-profile/user-profile.react.js
--- a/web/modals/user-profile/user-profile.react.js
+++ b/web/modals/user-profile/user-profile.react.js
@@ -4,8 +4,8 @@
 
 import SWMansionIcon from 'lib/components/SWMansionIcon.react.js';
 import { relationshipBlockedInEitherDirection } from 'lib/shared/relationship-utils.js';
-import { useUserProfileThreadInfo } from 'lib/shared/thread-utils.js';
 import { stringForUserExplicit } from 'lib/shared/user-utils.js';
+import type { UserProfileThreadInfo } from 'lib/types/thread-types';
 import type { UserInfo } from 'lib/types/user-types';
 import sleep from 'lib/utils/sleep.js';
 
@@ -15,12 +15,11 @@
 
 type Props = {
   +userInfo: ?UserInfo,
+  +userProfileThreadInfo: ?UserProfileThreadInfo,
 };
 
 function UserProfile(props: Props): React.Node {
-  const { userInfo } = props;
-
-  const userProfileThreadInfo = useUserProfileThreadInfo(userInfo);
+  const { userInfo, userProfileThreadInfo } = props;
 
   const usernameText = stringForUserExplicit(userInfo);