Update ACL_2025.md

Author: psyonp

docs/tutorials/ACL_2025.md

@@ -47,6 +47,7 @@ title: "ACL 2025 Ethics Tutorial: Navigating Ethical Challenges in NLP"
 <img src="https://i.imgur.com/0Cnn9qf.jpeg" alt="Min-Yen Kan" class="portrait">
 <img src="https://i.imgur.com/ZIDecOQ.jpeg" alt="Seunghun J. Lee" class="portrait">
 <img src="https://i.imgur.com/94c8Ped.jpeg" alt="Margot Mieskes" class="portrait">
+<img src="https://i.imgur.com/4Ov1ijA.jpeg" alt="Punya Syon Pandey" class="portrait">
 <img src="https://i.imgur.com/WXwRbvG.jpeg" alt="Minzhi Li" class="portrait">
 <img src="https://i.imgur.com/UTOb633.jpeg" alt="Adriana Pagano" class="portrait">
 <img src="https://i.imgur.com/AO2xNYk.jpeg" alt="Alvin Grissom II" class="portrait">