diff --git a/content/authors/xiao/_index.md b/content/authors/xiao/_index.md
index fd40adf..d509370 100644
--- a/content/authors/xiao/_index.md
+++ b/content/authors/xiao/_index.md
@@ -10,7 +10,7 @@ last_name: Xu
 superuser: true
 
 # Role/position
-role: Visiting Student
+role: Visiting Student (Sep '23)
 
 # Organizations/Affiliations
 organizations:
diff --git a/content/authors/xizi/_index.md b/content/authors/xizi/_index.md
index 315aba0..d245ec1 100644
--- a/content/authors/xizi/_index.md
+++ b/content/authors/xizi/_index.md
@@ -10,7 +10,7 @@ last_name: Luo
 superuser: true
 
 # Role/position
-role: Undergraduate Student
+role: Undergraduate Student (Apr '24)
 
 # Organizations/Affiliations
 organizations:
diff --git a/content/authors/yisong/_index.md b/content/authors/yisong/_index.md
index f4c88de..1625b10 100644
--- a/content/authors/yisong/_index.md
+++ b/content/authors/yisong/_index.md
@@ -10,7 +10,7 @@ last_name: Miao
 superuser: false
 
 # Role/position
-role: Graduate Students
+role: Graduate Student (Jan '21)
 
 # Organizations/Affiliations
 organizations:
diff --git a/content/authors/yixi/_index.md b/content/authors/yixi/_index.md
index 2490070..468a92d 100644
--- a/content/authors/yixi/_index.md
+++ b/content/authors/yixi/_index.md
@@ -10,7 +10,7 @@ last_name: Ding
 superuser: true
 
 # Role/position
-role: Research Assistant
+role: Research Assistant (Jan '22)
 
 # Organizations/Affiliations
 organizations:
diff --git a/content/authors/yuxi/_index.md b/content/authors/yuxi/_index.md
index 0636aa1..a2c3c27 100644
--- a/content/authors/yuxi/_index.md
+++ b/content/authors/yuxi/_index.md
@@ -10,7 +10,7 @@ last_name: Xie
 superuser: false
 
 # Role/position
-role: Graduate Students
+role: Graduate Student (Jan '21)
 
 # Organizations/Affiliations
 organizations: