diff --git a/src/config.js b/src/config.js
index 54ad5c9..7c2e0bb 100644
--- a/src/config.js
+++ b/src/config.js
@@ -65,6 +65,7 @@ const defaultConfig = {
   "allowMove": false,
   "typingProxy": false,
   "typingProxyReverse": false,
+  "mentionUserInThreadHeader": false,
 
   "enableGreeting": false,
   "greetingMessage": null,
diff --git a/src/data/threads.js b/src/data/threads.js
index f4564f9..baa9abe 100644
--- a/src/data/threads.js
+++ b/src/data/threads.js
@@ -125,8 +125,12 @@ async function createNewThreadForUser(user, quiet = false) {
   const accountAge = humanizeDuration(Date.now() - user.createdAt, {largest: 2, round: true});
   infoHeaderItems.push(`ACCOUNT AGE **${accountAge}**`);
 
-  // User id
-  infoHeaderItems.push(`ID **${user.id}**`);
+  // User id (and mention, if enabled)
+  if (config.mentionUserInThreadHeader) {
+    infoHeaderItems.push(`ID **${user.id}** (<@!${user.id}>)`);
+  } else {
+    infoHeaderItems.push(`ID **${user.id}**`);
+  }
 
   let infoHeader = infoHeaderItems.join(', ');