diff --git a/content/authors/yacine/_index.md b/content/authors/yacine/_index.md
index c35e7a7..a15a396 100644
--- a/content/authors/yacine/_index.md
+++ b/content/authors/yacine/_index.md
@@ -10,7 +10,7 @@ authors:
 # Organizational groups that you belong to (for People widget)
 #   Set this to `[]` or comment out if you are not using People widget.
 user_groups:
-- Postdoctoral Researchers
+- Alumni - Postdoc graduates
 
 # Is this the primary user of the site?
 superuser: false
diff --git a/content/authors/yacine/avatar.jpg b/content/authors/yacine/avatar.jpg
index 79f38bd..acb6ac5 100644
Binary files a/content/authors/yacine/avatar.jpg and b/content/authors/yacine/avatar.jpg differ