diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js
--- a/lib/shared/thread-utils.js
+++ b/lib/shared/thread-utils.js
@@ -38,6 +38,7 @@
 import {
   threadInfoSelector,
   pendingToRealizedThreadIDsSelector,
+  threadInfosSelectorForThreadType,
 } from '../selectors/thread-selectors.js';
 import {
   getRelativeMemberInfos,
@@ -80,6 +81,7 @@
   type ResolvedThreadInfo,
   type ChatMentionCandidatesObj,
   type ChatMentionCandidates,
+  type UserProfileThreadInfo,
 } from '../types/thread-types.js';
 import { updateTypes } from '../types/update-types-enum.js';
 import { type ClientUpdateInfo } from '../types/update-types.js';
@@ -1789,6 +1791,74 @@
   ]);
 }
 
+function useUserProfileThreadInfo(userInfo: ?UserInfo): ?UserProfileThreadInfo {
+  const userID = userInfo?.id;
+  const username = userInfo?.username;
+
+  const loggedInUserInfo = useLoggedInUserInfo();
+  const isViewerProfile = loggedInUserInfo?.id === userID;
+
+  const privateThreadInfosSelector = threadInfosSelectorForThreadType(
+    threadTypes.PRIVATE,
+  );
+  const privateThreadInfos = useSelector(privateThreadInfosSelector);
+
+  const personalThreadInfosSelector = threadInfosSelectorForThreadType(
+    threadTypes.PERSONAL,
+  );
+
+  const personalThreadInfos = useSelector(personalThreadInfosSelector);
+
+  const usersWithPersonalThread = useSelector(usersWithPersonalThreadSelector);
+
+  return React.useMemo(() => {
+    if (!loggedInUserInfo || !userID || !username) {
+      return null;
+    }
+
+    if (isViewerProfile) {
+      const privateThreadInfo: ?ThreadInfo = privateThreadInfos[0];
+      if (!privateThreadInfo) {
+        return null;
+      }
+
+      return {
+        threadInfo: privateThreadInfo,
+      };
+    }
+
+    if (usersWithPersonalThread.has(userID)) {
+      const personalThreadInfo: ?ThreadInfo = personalThreadInfos.find(
+        threadInfo =>
+          userID === getSingleOtherUser(threadInfo, loggedInUserInfo.id),
+      );
+      if (!personalThreadInfo) {
+        return null;
+      }
+
+      return {
+        threadInfo: personalThreadInfo,
+      };
+    }
+
+    const pendingPersonalThreadInfo = createPendingPersonalThread(
+      loggedInUserInfo,
+      userID,
+      username,
+    );
+
+    return pendingPersonalThreadInfo;
+  }, [
+    isViewerProfile,
+    loggedInUserInfo,
+    personalThreadInfos,
+    privateThreadInfos,
+    userID,
+    username,
+    usersWithPersonalThread,
+  ]);
+}
+
 export {
   threadHasPermission,
   viewerIsMember,
@@ -1858,4 +1928,5 @@
   getThreadsToDeleteText,
   useChatMentionCandidatesObj,
   useThreadChatMentionCandidates,
+  useUserProfileThreadInfo,
 };
diff --git a/lib/types/thread-types.js b/lib/types/thread-types.js
--- a/lib/types/thread-types.js
+++ b/lib/types/thread-types.js
@@ -464,3 +464,8 @@
 export type ChatMentionCandidatesObj = {
   +[id: string]: ChatMentionCandidates,
 };
+
+export type UserProfileThreadInfo = {
+  +threadInfo: ThreadInfo,
+  +pendingPersonalThreadUserInfo?: UserInfo,
+};