diff --git a/web/index.html b/web/index.html
index 53275ac..3e32556 100644
--- a/web/index.html
+++ b/web/index.html
@@ -54,22 +54,47 @@
         </div>
     </div>
 
-    <!-- Header (shown after login) -->
-    <header class="header" id="mainHeader" style="display: none;">
-        <div class="container">
-            <div class="header-content">
-                <h1 class="logo">
-                    <i class="fas fa-envelope"></i>
-                    Mailing List Manager
-                </h1>
-                <div class="auth-section">
-                    <div class="user-info" id="userInfo">
-                        <div class="user-details">
-                            <span class="user-name" id="currentUsername">User</span>
-                            <span class="user-role" id="currentUserRole">role</span>
-                        </div>
-                        <button class="btn btn-secondary" id="logoutBtn">Logout</button>
+    <!-- Menu Bar Header (shown after login) -->
+    <header class="menu-bar" id="mainHeader" style="display: none;">
+        <div class="menu-bar-content">
+            <div class="app-title">
+                <i class="fas fa-envelope"></i>
+                <span>Mailing List Manager</span>
+            </div>
+            <div class="menu-spacer"></div>
+            <div class="user-dropdown" id="userDropdown">
+                <button class="user-dropdown-trigger" id="userDropdownTrigger">
+                    <div class="user-avatar">
+                        <i class="fas fa-user"></i>
                     </div>
+                    <div class="user-details">
+                        <span class="user-name" id="currentUsername">User</span>
+                        <span class="user-role" id="currentUserRole">role</span>
+                    </div>
+                    <i class="fas fa-chevron-down dropdown-arrow"></i>
+                </button>
+                <div class="user-dropdown-menu" id="userDropdownMenu">
+                    <div class="dropdown-header">
+                        <div class="dropdown-user-info">
+                            <div class="dropdown-avatar">
+                                <i class="fas fa-user"></i>
+                            </div>
+                            <div class="dropdown-details">
+                                <div class="dropdown-name" id="dropdownUsername">User</div>
+                                <div class="dropdown-role" id="dropdownUserRole">role</div>
+                            </div>
+                        </div>
+                    </div>
+                    <div class="dropdown-divider"></div>
+                    <button class="dropdown-item" id="userManagementBtn" style="display: none;">
+                        <i class="fas fa-user-shield"></i>
+                        <span>User Management</span>
+                    </button>
+                    <div class="dropdown-divider" id="userManagementDivider" style="display: none;"></div>
+                    <button class="dropdown-item" id="logoutBtn">
+                        <i class="fas fa-sign-out-alt"></i>
+                        <span>Sign Out</span>
+                    </button>
                 </div>
             </div>
         </div>
@@ -88,10 +113,6 @@
                     <i class="fas fa-users"></i>
                     Members
                 </button>
-                <button class="tab-btn" data-tab="users" id="usersTab" style="display: none;">
-                    <i class="fas fa-user-shield"></i>
-                    Users
-                </button>
             </nav>
 
             <!-- Notification Area -->
@@ -134,13 +155,7 @@
             <!-- Members Tab -->
             <div class="tab-content" id="members-tab">
                 <div class="section-header">
-                    <div class="header-content">
-                        <h2>Members</h2>
-                        <div class="header-help">
-                            <i class="fas fa-info-circle"></i>
-                            <span>Click the "Lists" button next to any member to manage their subscriptions</span>
-                        </div>
-                    </div>
+                    <h2>Members</h2>
                     <div class="button-group">
                         <button class="btn btn-primary" id="addMemberBtn">
                             <i class="fas fa-plus"></i>
diff --git a/web/static/css/style.css b/web/static/css/style.css
index edcafb0..2dccf89 100644
--- a/web/static/css/style.css
+++ b/web/static/css/style.css
@@ -285,7 +285,8 @@ body {
 }
 
 /* Header */
-.header {
+/* Menu Bar Header */
+.menu-bar {
     background: var(--white);
     border-bottom: 1px solid var(--gray-200);
     box-shadow: var(--shadow-sm);
@@ -294,24 +295,29 @@ body {
     z-index: 100;
 }
 
-.header-content {
+.menu-bar-content {
     display: flex;
-    justify-content: space-between;
     align-items: center;
-    padding: var(--space-4) 0;
+    justify-content: space-between;
+    padding: var(--space-2) var(--space-4);
+    min-height: 56px;
 }
 
-.logo {
-    font-size: var(--font-size-xl);
-    font-weight: 700;
-    color: var(--primary-color);
+.app-title {
     display: flex;
     align-items: center;
     gap: var(--space-2);
+    font-size: var(--font-size-lg);
+    font-weight: 600;
+    color: var(--primary-color);
 }
 
-.logo i {
-    font-size: var(--font-size-2xl);
+.app-title i {
+    font-size: var(--font-size-xl);
+}
+
+.menu-spacer {
+    flex: 1;
 }
 
 /* Authentication */
@@ -342,31 +348,185 @@ body {
     box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
 }
 
-.user-info {
+/* User Dropdown - Menu Bar Style */
+.user-dropdown {
+    position: relative;
+}
+
+.user-dropdown-trigger {
     display: flex;
     align-items: center;
-    gap: var(--space-3);
+    gap: var(--space-2);
+    padding: var(--space-2) var(--space-3);
+    background: transparent;
+    border: 1px solid var(--gray-200);
+    border-radius: var(--radius);
+    cursor: pointer;
+    transition: var(--transition);
+    font-size: var(--font-size-sm);
+    height: 40px;
+    position: relative;
+    z-index: 10;
+    pointer-events: auto;
+}
+
+.user-dropdown-trigger:hover {
+    background: var(--gray-50);
+    border-color: var(--gray-300);
+}
+
+.user-dropdown-trigger.active {
+    background: var(--gray-50);
+    border-color: var(--primary-color);
+    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
+}
+
+.user-avatar {
+    width: 24px;
+    height: 24px;
+    background: var(--primary-color);
+    color: var(--white);
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: var(--font-size-xs);
+    flex-shrink: 0;
 }
 
 .user-details {
     display: flex;
     flex-direction: column;
-    align-items: flex-end;
-    gap: var(--space-1);
+    align-items: flex-start;
+    gap: 1px;
+    min-width: 0;
 }
 
 .user-name {
     font-weight: 500;
+    font-size: var(--font-size-xs);
+    color: var(--gray-900);
+    line-height: 1.2;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    max-width: 100px;
+}
+
+.user-role {
+    font-size: 10px;
+    color: var(--gray-500);
+    text-transform: capitalize;
+    line-height: 1;
+    white-space: nowrap;
+}
+
+.dropdown-arrow {
+    color: var(--gray-400);
+    font-size: 10px;
+    transition: var(--transition);
+    flex-shrink: 0;
+}
+
+.user-dropdown-trigger.active .dropdown-arrow {
+    transform: rotate(180deg);
+}
+
+.user-dropdown-menu {
+    position: absolute;
+    top: 100%;
+    right: 0;
+    min-width: 220px;
+    background: var(--white);
+    border: 1px solid var(--gray-200);
+    border-radius: var(--radius);
+    box-shadow: var(--shadow-lg);
+    z-index: 1000;
+    opacity: 0;
+    visibility: hidden;
+    transform: translateY(-8px);
+    transition: all 0.2s ease;
+    margin-top: var(--space-1);
+}
+
+.user-dropdown.active .user-dropdown-menu {
+    opacity: 1;
+    visibility: visible;
+    transform: translateY(0);
+}
+
+.dropdown-header {
+    padding: var(--space-3);
+    border-bottom: 1px solid var(--gray-100);
+}
+
+.dropdown-user-info {
+    display: flex;
+    align-items: center;
+    gap: var(--space-3);
+}
+
+.dropdown-avatar {
+    width: 40px;
+    height: 40px;
+    background: var(--primary-color);
+    color: var(--white);
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: var(--font-size-base);
+}
+
+.dropdown-details {
+    display: flex;
+    flex-direction: column;
+    gap: var(--space-1);
+}
+
+.dropdown-name {
+    font-weight: 600;
     font-size: var(--font-size-sm);
     color: var(--gray-900);
 }
 
-.user-role {
+.dropdown-role {
     font-size: var(--font-size-xs);
     color: var(--gray-500);
     text-transform: capitalize;
 }
 
+.dropdown-divider {
+    height: 1px;
+    background: var(--gray-100);
+    margin: 0;
+}
+
+.dropdown-item {
+    display: flex;
+    align-items: center;
+    gap: var(--space-3);
+    width: 100%;
+    padding: var(--space-3);
+    background: transparent;
+    border: none;
+    text-align: left;
+    font-size: var(--font-size-sm);
+    color: var(--gray-700);
+    cursor: pointer;
+    transition: var(--transition);
+}
+
+.dropdown-item:hover {
+    background: var(--gray-50);
+    color: var(--gray-900);
+}
+
+.dropdown-item i {
+    width: 16px;
+    color: var(--gray-400);
+}
+
 .status-indicator {
     display: flex;
     align-items: center;
@@ -945,11 +1105,35 @@ body {
         padding: 0 var(--space-3);
     }
     
-    .header-content {
+    .menu-bar-content {
         flex-direction: column;
-        gap: var(--space-4);
+        gap: var(--space-2);
+        padding: var(--space-2) var(--space-3);
         align-items: stretch;
     }
+
+    .app-title {
+        order: 1;
+        justify-content: center;
+        font-size: var(--font-size-base);
+    }
+
+    .user-dropdown {
+        order: 2;
+        align-self: flex-end;
+        width: auto;
+    }
+
+    .menu-spacer {
+        display: none;
+    }
+
+    .user-dropdown-menu {
+        right: 0;
+        left: auto;
+        width: auto;
+        min-width: 200px;
+    }
     
     .auth-controls {
         flex-direction: column;
diff --git a/web/static/js/app.js b/web/static/js/app.js
index b01e03f..771aafd 100644
--- a/web/static/js/app.js
+++ b/web/static/js/app.js
@@ -52,6 +52,33 @@ class MailingListApp {
             this.logout();
         });
 
+        // User dropdown functionality
+        const userDropdownTrigger = document.getElementById('userDropdownTrigger');
+        const userDropdown = document.getElementById('userDropdown');
+        
+        userDropdownTrigger.addEventListener('click', (e) => {
+            e.preventDefault();
+            e.stopPropagation();
+            userDropdown.classList.toggle('active');
+            userDropdownTrigger.classList.toggle('active');
+        });
+
+        // Close dropdown when clicking outside
+        document.addEventListener('click', (e) => {
+            if (!userDropdown.contains(e.target)) {
+                userDropdown.classList.remove('active');
+                userDropdownTrigger.classList.remove('active');
+            }
+        });
+
+        // Close dropdown on escape key
+        document.addEventListener('keydown', (e) => {
+            if (e.key === 'Escape') {
+                userDropdown.classList.remove('active');
+                userDropdownTrigger.classList.remove('active');
+            }
+        });
+
         // Bulk import button
         document.getElementById('showBulkImportBtn').addEventListener('click', () => {
             uiManager.showBulkImportModal();
@@ -61,6 +88,15 @@ class MailingListApp {
         document.getElementById('addUserBtn').addEventListener('click', () => {
             uiManager.showUserModal();
         });
+
+        // User management dropdown item
+        document.getElementById('userManagementBtn').addEventListener('click', () => {
+            // Close the dropdown
+            userDropdown.classList.remove('active');
+            userDropdownTrigger.classList.remove('active');
+            // Switch to users tab
+            this.switchToUsersTab();
+        });
     }
 
     /**
@@ -214,10 +250,13 @@ class MailingListApp {
         if (this.currentUser) {
             document.getElementById('currentUsername').textContent = this.currentUser.username;
             document.getElementById('currentUserRole').textContent = this.currentUser.role;
+            document.getElementById('dropdownUsername').textContent = this.currentUser.username;
+            document.getElementById('dropdownUserRole').textContent = this.currentUser.role;
             
             // Show/hide admin-only features
             const isAdmin = this.currentUser.role === 'administrator';
-            document.getElementById('usersTab').style.display = isAdmin ? 'block' : 'none';
+            document.getElementById('userManagementBtn').style.display = isAdmin ? 'block' : 'none';
+            document.getElementById('userManagementDivider').style.display = isAdmin ? 'block' : 'none';
             
             // Show/hide write access features
             const hasWriteAccess = this.currentUser.role === 'administrator' || this.currentUser.role === 'operator';
@@ -250,6 +289,28 @@ class MailingListApp {
         document.getElementById('showBulkImportBtn').setAttribute('data-requires-write', '');
     }
 
+    /**
+     * Switch to users tab (triggered from user dropdown)
+     */
+    switchToUsersTab() {
+        // Switch to users tab programmatically
+        const tabButtons = document.querySelectorAll('.tab-btn');
+        const tabContents = document.querySelectorAll('.tab-content');
+        
+        // Remove active class from all tabs and contents
+        tabButtons.forEach(btn => btn.classList.remove('active'));
+        tabContents.forEach(content => content.classList.remove('active'));
+        
+        // Show users tab content
+        const usersTab = document.getElementById('users-tab');
+        if (usersTab) {
+            usersTab.classList.add('active');
+        }
+        
+        // Load users data if needed
+        this.loadUsers();
+    }
+
     /**
      * Load all data from API
      */