diff --git a/src/main/java/io/jenkins/plugins/folderauth/roles/AbstractRole.java b/src/main/java/io/jenkins/plugins/folderauth/roles/AbstractRole.java
index 0e407c7..bb07a64 100644
--- a/src/main/java/io/jenkins/plugins/folderauth/roles/AbstractRole.java
+++ b/src/main/java/io/jenkins/plugins/folderauth/roles/AbstractRole.java
@@ -1,8 +1,13 @@
 package io.jenkins.plugins.folderauth.roles;
 
+import hudson.model.User;
+import hudson.security.SecurityRealm;
 import io.jenkins.plugins.folderauth.misc.PermissionWrapper;
+import jenkins.model.Jenkins;
+import org.acegisecurity.userdetails.UsernameNotFoundException;
 import org.kohsuke.accmod.Restricted;
 import org.kohsuke.accmod.restrictions.NoExternalUse;
+import org.springframework.dao.DataAccessException;
 
 import javax.annotation.Nonnull;
 import java.util.Collections;
@@ -113,7 +118,21 @@ public Set<String> getSids() {
     @Nonnull
     @SuppressWarnings("unused") // used by index.jelly
     public String getSidsCommaSeparated() {
-        String string = new TreeSet<>(sids).toString();
-        return string.substring(1, string.length() - 1);
+        Jenkins jenkinsInstance = Jenkins.get();
+        SecurityRealm sr = jenkinsInstance.getSecurityRealm();
+        StringBuilder sb = new StringBuilder();
+        for (String sid: new TreeSet<>(sids)) {
+            try {
+                sr.loadUserByUsername(sid);
+                User u = User.getById(sid, false);
+                String fullName = u.getFullName();
+                sb.append(sid).append("(").append(fullName).append("), ");
+            } catch (UsernameNotFoundException | DataAccessException | NullPointerException e) {
+                // on any exception just add the sid
+                // this could happen either because SID lookup error or no FullName set
+                sb.append(sid).append(", ");
+            }
+        }
+        return sb.length()==0?"":sb.substring(0,sb.length()-2);
     }
 }
diff --git a/src/test/java/io/jenkins/plugins/folderauth/FolderBasedAuthorizationStrategyTest.java b/src/test/java/io/jenkins/plugins/folderauth/FolderBasedAuthorizationStrategyTest.java
index 88aecc1..b214d98 100644
--- a/src/test/java/io/jenkins/plugins/folderauth/FolderBasedAuthorizationStrategyTest.java
+++ b/src/test/java/io/jenkins/plugins/folderauth/FolderBasedAuthorizationStrategyTest.java
@@ -7,6 +7,7 @@
 import hudson.model.User;
 import hudson.security.ACL;
 import hudson.security.ACLContext;
+import hudson.security.AuthorizationStrategy;
 import hudson.security.Permission;
 import hudson.security.PermissionGroup;
 import io.jenkins.plugins.folderauth.roles.FolderRole;
@@ -21,6 +22,7 @@
 import java.util.HashSet;
 
 import static io.jenkins.plugins.folderauth.misc.PermissionWrapper.wrapPermissions;
+import static junit.framework.TestCase.assertEquals;
 import static junit.framework.TestCase.assertFalse;
 import static junit.framework.TestCase.assertTrue;
 
@@ -65,6 +67,7 @@ public void setUp() throws Exception {
                 ImmutableSet.of("root")));
         FolderAuthorizationStrategyAPI.assignSidToFolderRole("user1", "folderRole1");
         FolderAuthorizationStrategyAPI.assignSidToFolderRole("user2", "folderRole1");
+        FolderAuthorizationStrategyAPI.assignSidToFolderRole("anonymous", "folderRole1");
 
         FolderAuthorizationStrategyAPI.addFolderRole(new FolderRole("folderRole2", wrapPermissions(Item.CONFIGURE, Item.DELETE),
                 ImmutableSet.of("root/child1")));
@@ -93,6 +96,7 @@ public void setUp() throws Exception {
         admin = User.getById("admin", true);
         user1 = User.getById("user1", true);
         user2 = User.getById("user2", true);
+        user2.setFullName("Test User2");
     }
 
     @Test
@@ -127,4 +131,19 @@ public void permissionTest() {
             assertFalse(job1.hasPermission(Item.CONFIGURE));
         }
     }
+
+    @Test
+    public void SIDToFullNameLookupTest() {
+        Jenkins jenkins = jenkinsRule.jenkins;
+
+        AuthorizationStrategy strategy = jenkins.getAuthorizationStrategy();
+        if (strategy instanceof FolderBasedAuthorizationStrategy) {
+            FolderBasedAuthorizationStrategy actualStrategy = (FolderBasedAuthorizationStrategy) strategy;
+            for (FolderRole role: actualStrategy.getFolderRoles()) {
+              if (role.getName().equals("folderRole1")) {
+                  assertEquals("anonymous, user1(user1), user2(Test User2)",role.getSidsCommaSeparated());
+              }
+            }
+        }
+    }
 }