diff --git a/test/functional/WorkerUnityCourseTest.php b/test/functional/WorkerUnityCourseTest.php
index 187c713e9..f0d522d25 100644
--- a/test/functional/WorkerUnityCourseTest.php
+++ b/test/functional/WorkerUnityCourseTest.php
@@ -5,7 +5,9 @@ class WorkerUnityCourseTest extends UnityWebPortalTestCase
     private static string $course_owner_uid = "cs124_org1_test";
     private static string $course_gid = "pi_cs124_org1_test";
     private static array $course_owner_name = ["cs124", "Fall 2025"];
-    private static string $manager_uid = "user2_org1_test";
+    private static string $test1_manager_uid = "user2_org1_test";
+    private static array $test2_manager_uids = ["user2_org1_test", "user1_org1_test"];
+    private static string $test2_manager_uids_str = " user2_org1_test , user1_org1_test , ,,, user2_org1_test ";
     private static string $manager_mail = "user2@org1.test";
     private static string $courseOwnerMail = "user2+cs124@org1.test";
 
@@ -13,7 +15,7 @@ public function testCreateCourse()
     {
         global $LDAP, $USER;
         $this->switchUser("Blank");
-        $this->assertEquals(self::$manager_uid, $USER->uid);
+        $this->assertEquals(self::$test1_manager_uid, $USER->uid);
         $this->assertEquals(self::$manager_mail, $USER->getMail());
         $manager = $USER;
         $pi_group_entry = $LDAP->getPIGroupEntry(self::$course_gid);
@@ -24,14 +26,12 @@ public function testCreateCourse()
             self::$course_owner_name[0],
             self::$course_owner_name[1],
             self::$course_owner_uid,
-            self::$manager_uid,
+            self::$test1_manager_uid,
         ]);
         $stdin_file_path = getPathFromFileHandle($stdin_file);
         try {
             executeWorker("unity-course.php", stdinFilePath: $stdin_file_path);
             // error_log(implode("\n", $output_lines));
-            // our LDAP conn doesn't know about changes from subprocess
-            unset($GLOBALS["ldapconn"]);
             $this->switchUser("Admin");
             $pi_group_entry = $LDAP->getPIGroupEntry(self::$course_gid);
             $owner_user_entry = $LDAP->getUserEntry(self::$course_owner_uid);
@@ -52,4 +52,43 @@ public function testCreateCourse()
             unlink($stdin_file_path);
         }
     }
+
+    public function testCreateCourseMultipleManagers()
+    {
+        global $LDAP, $USER;
+        $this->switchUser("Blank");
+        $pi_group_entry = $LDAP->getPIGroupEntry(self::$course_gid);
+        $owner_user_entry = $LDAP->getUserEntry(self::$course_owner_uid);
+        $this->assertFalse($pi_group_entry->exists());
+        $this->assertFalse($owner_user_entry->exists());
+        $stdin_file = writeLinesToTmpFile([
+            self::$course_owner_name[0],
+            self::$course_owner_name[1],
+            self::$course_owner_uid,
+            self::$test2_manager_uids_str,
+        ]);
+        $stdin_file_path = getPathFromFileHandle($stdin_file);
+        try {
+            executeWorker("unity-course.php", stdinFilePath: $stdin_file_path);
+            // error_log(implode("\n", $output_lines));
+            $this->switchUser("Admin");
+            $pi_group_entry = $LDAP->getPIGroupEntry(self::$course_gid);
+            $owner_user_entry = $LDAP->getUserEntry(self::$course_owner_uid);
+            $this->assertTrue($pi_group_entry->exists());
+            $this->assertTrue($owner_user_entry->exists());
+            $this->assertEquals(self::$courseOwnerMail, $owner_user_entry->getAttribute("mail")[0]);
+            $this->assertEqualsCanonicalizing(
+                array_merge([self::$course_owner_uid], self::$test2_manager_uids),
+                $pi_group_entry->getAttribute("memberuid"),
+            );
+            $this->assertEqualsCanonicalizing(
+                self::$test2_manager_uids,
+                $pi_group_entry->getAttribute("manageruid"),
+            );
+        } finally {
+            ensurePIGroupDoesNotExist(self::$course_gid);
+            ensureUserDoesNotExist(self::$course_owner_uid);
+            unlink($stdin_file_path);
+        }
+    }
 }
diff --git a/workers/unity-course.php b/workers/unity-course.php
index 889f6d00e..19653d630 100755
--- a/workers/unity-course.php
+++ b/workers/unity-course.php
@@ -20,19 +20,36 @@ function flatten_attributes(array $attributes): array
     return array_map(fn($v) => count($v) === 1 ? $v[0] : $v, $attributes);
 }
 
+/** return string[] */
+function parse_comma_delimited_list(string $input): array
+{
+    $output = trim($input);
+    $output = explode(",", $output);
+    $output = array_map("trim", $output);
+    $output = array_unique($output);
+    $output = array_filter($output, fn($x) => $x !== "");
+    return $output;
+}
+
 $givenName = trim(readline("Enter the course ID (example: CS123): "));
 $sn = trim(readline("Enter the year and semester of the course (example: Fall 2025): "));
 $cn = strtolower(
     trim(readline("Please enter the cn to be used for the course (example: cs123_umass_edu): ")),
 );
-$manager_uid = trim(
-    readline("Enter the UID of the group manager (example: simonleary_umass_edu): "),
+$manager_uids = parse_comma_delimited_list(
+    readline("Enter the UID(s) of the group manager(s) (example: simonleary_umass_edu,bryank_uri_edu): ")
 );
+if (count($manager_uids) === 0) {
+    _die("at least one group manager UID is required", 1);
+}
 $org_gid = cn2org($cn);
 
-$manager = new UnityUser($manager_uid, $LDAP, $SQL, $MAILER);
-if (!$manager->exists()) {
-    _die("no such user: '$manager_uid'", 1);
+$managers = [];
+foreach ($manager_uids as $manager_uid) {
+    array_push($managers, new UnityUser($manager_uid, $LDAP, $SQL, $MAILER));
+    if (!end($managers)->exists()) {
+        _die("no such user: '$manager_uid'", 1);
+    }
 }
 
 $course_user = new UnityUser($cn, $LDAP, $SQL, $MAILER);
@@ -49,7 +66,7 @@ function flatten_attributes(array $attributes): array
 $course_user->setFlag(UserFlag::IMMORTAL, true, false, true);
 
 $course_pi_group = $course_user->getPIGroup();
-$course_user->setMail($course_pi_group->addPlusAddressToMail($manager->getMail()));
+$course_user->setMail($course_pi_group->addPlusAddressToMail($managers[0]->getMail()));
 
 if ($course_pi_group->exists()) {
     $course_pi_group_dn = $LDAP->getPIGroupEntry($course_pi_group->gid)->getDN();
@@ -58,9 +75,11 @@ function flatten_attributes(array $attributes): array
 $course_pi_group->requestGroup(false, false);
 $course_pi_group->approveGroup();
 
-$course_pi_group->newUserRequest($manager, false);
-$course_pi_group->approveUser($manager);
-$course_pi_group->addManagerUID($manager_uid);
+foreach ($managers as $manager) {
+    $course_pi_group->newUserRequest($manager, false);
+    $course_pi_group->approveUser($manager);
+    $course_pi_group->addManagerUID($manager->uid);
+}
 
 print "LDAP entries created:\n";
 print _json_encode(