diff --git a/_people/hang_liu.md b/_people/hang_liu.md
new file mode 100644
index 0000000..273ba9f
--- /dev/null
+++ b/_people/hang_liu.md
@@ -0,0 +1,32 @@
+---
+name: Hang Liu
+title: Hang Liu
+position: postdoc
+avatar: 
+permalink: /research/people/hang_liu/
+joined: 2023
+---
+
+{% if page.avatar %}
+<img width="300" src="{{site.baseurl}}/images/people/{{page.avatar}}" data-action="zoom">
+{% else %}
+<img width="300" src="https://evansheline.com/wp-content/uploads/2011/02/facebook-Storm-Trooper.jpg"  data-action="zoom">
+{% endif %}
+
+### Contact
+
+<i class="fa fa-envelope-o"></i> `hl2382<at>cornell<dot>edu`<br>
+<i class="fa fa-building"></i> Bloomberg Center 2nd Floor, Cornell Tech <br>
+<i class="fa fa-google"></i> [google scholar](https://scholar.google.com/citations?user=n1tKLQcAAAAJ&hl=en) <br>
+
+<!-- <i class="fa fa-bar-chart"></i> [Personal Website]()  <br> -->
+
+<i class="fa fa-linkedin"></i> [LinkedIn](https://www.linkedin.com/in/hang-liu-77a9a9b3/) <br>
+
+<hr>
+
+### About Me
+
+Hang Liu is a Postdoctoral scholar. 
+
+<hr>
diff --git a/_people/ignacio_losada.md b/_people/ignacio_losada.md
index 447bcab..1dccd0f 100644
--- a/_people/ignacio_losada.md
+++ b/_people/ignacio_losada.md
@@ -1,7 +1,7 @@
 ---
 name: Ignacio Losada Carreno
 title: Ignacio Losada Carreno
-position: gradstudent
+position: alumni
 avatar: ignacio_losada.png
 permalink: /research/people/ignacio_losada/
 joined: 2018
diff --git a/_people/nurullah_karakoc.md b/_people/nurullah_karakoc.md
index 482cbbd..73fff97 100644
--- a/_people/nurullah_karakoc.md
+++ b/_people/nurullah_karakoc.md
@@ -1,7 +1,7 @@
 ---
 name: Nurullah Karakoc
 title: Nurullah Karakoc
-position: gradstudent
+position: alumni
 avatar: nurullah_karakoc.jpg
 permalink: /research/people/nurullah_karakoc/
 joined: 2017 a
diff --git a/people.md b/people.md
index ebd43cc..ae33348 100644
--- a/people.md
+++ b/people.md
@@ -58,6 +58,8 @@ permalink: /research/people/
 
 | Who are they | What did they do |When were they here | Where they went |
 | :------------- |:------------- |:------------------| :-----------|
+| [Ignacio Losada](/research/people/ignacio_losada) | Power Systems | PhD (2018-2023) | Joined DV Trading as an Quantitative Researcher in December 2023. |
+| [Nurullah Karakoc](/research/people/nurullah_karakoc) | Communications | PhD (2017-2023) | Joined Nokia as a RAN Algorithm Design and Simulation Engineer in January 2023. |
 | [Rojin Zandi](/research/people/rojin_zandi) | Power Systems | PhD (2021-2022) | Graduated in 2022. |
 | [Sachin Kadam](/research/people/sachin_kadam) | Differential Privacy, Cybersecurity | Postdoc (2020-2021) | Joined Sungkyunkwan University as a Postdoctoral scholar in March 2022 |
 | Shammya Saha | Power Systems | PhD (2016-2021) | Joined Electric Power Research Institute (EPRI) as Scientist II in July 2021 |