diff --git a/group.html b/group.html
index 11219e6..afae8a4 100644
--- a/group.html
+++ b/group.html
@@ -338,6 +338,31 @@
         .nav-drawer a:hover {
             color: #1B3A8A;
         }
+        
+        /* Alumni list */
+        .alumni-list {
+            list-style: none;
+            padding: 0;
+            margin-top: 10px;
+        }
+
+        .alumni-list li {
+            position: relative;
+            font-size: 0.93em;
+            line-height: 1.75;
+            color: #374151;
+            padding-left: 16px;
+            margin-bottom: 6px;
+        }
+
+        .alumni-list li::before {
+            content: "•";
+            position: absolute;
+            left: 0;
+            color: #1B3A8A; /* 포인트 컬러 적용 */
+            font-size: 1.2em;
+            line-height: 1.4;
+        }
     </style>
 </head>
 <body>
@@ -477,11 +502,11 @@ <h3>Gallery</h3>
         </div>
 
         <h3>Alumni</h3>
-        <p>
-            Dahun Shin (MS 2025);
-            <a href="https://shpark97.github.io/">Seonghwan Park</a> (MS 2025);
-            Jaehyeon Jeong (MS 2026)
-        </p>
+        <ul class="alumni-list">
+            <li>Dahun Shin (MS 2025, currently at NHN)</li>
+            <li><a href="https://shpark97.github.io/">Seonghwan Park</a> (MS 2025, currently at KETI)</li>
+            <li>Jaehyeon Jeong (MS 2026)</li>
+        </ul>
     </main>
 
     <footer>
diff --git a/research.html b/research.html
index 05461af..ea5afdc 100644
--- a/research.html
+++ b/research.html
@@ -484,6 +484,7 @@ <h2>Research Focus</h2>
             </div>
         </div>
 
+
         <div class="section">
             <img src="research_focus/opt-applied.png" alt="Deep Learning Applications">
             <div class="section-text">
@@ -506,7 +507,6 @@ <h2>Research Focus</h2>
                     </div>
                 </div>
             </div>
-        </div>
 
         <div class="section">
             <img src="research_focus/opt-deep.jpeg" alt="Advanced Optimization">
diff --git a/research_focus/opt-collab.png b/research_focus/opt-collab_outdated.png
similarity index 100%
rename from research_focus/opt-collab.png
rename to research_focus/opt-collab_outdated.png
