diff --git a/index.html b/index.html
index 5cfb4e2..2395ef1 100644
--- a/index.html
+++ b/index.html
@@ -75,7 +75,7 @@
 </ul>
 
 <h3 id="research">Research Interest</h3>
-Optimal investment under market frictions; Stochastic Control; FinTech; Market microstructure; Deep learning for stochastic control.
+Portfolio selection under market frictions; Stochastic control; FinTech; Market microstructure; Deep learning for stochastic control.
 
 <h3>Publications</h3>
 <ul style="list-style-type:square">
@@ -128,6 +128,12 @@ Optimal investment under market frictions; Stochastic Control; FinTech; Market m
     </li>
 </ul>
 
+<h3>Professional Service</h3>
+<ul style="list-style-type:square">
+    <li> Associate Editor: Digital Finance, 2020-</li>
+    <li> Reviewer: Operations Research, Management Science, Mathematics of Operations Research, SIAM Journal on Financial Mathematics, Mathematics and Financial Economics.
+</ul>
+
 
 <h3 id="links">Links</h3>
 <a href="http://www.se.cuhk.edu.hk" target="_blank">SEEM@CUHK</a> &nbsp;&nbsp; <a href="http://www.hongkong-fintech.hk/en/home.html" target="_blank">FinTechHK</a>
@@ -135,7 +141,7 @@ Optimal investment under market frictions; Stochastic Control; FinTech; Market m
 
 <hr>
 
-<div align="right"><font size="-1">Last updated: 2020-02-20</font></div>
+<div align="right"><font size="-1">Last updated: 2020-11-28</font></div>
 
 </body>
 </html>