diff --git a/projects/YACS++GUI/members.txt b/projects/YACS++GUI/members.txt
index a62d6ff..60fb987 100644
--- a/projects/YACS++GUI/members.txt
+++ b/projects/YACS++GUI/members.txt
@@ -1 +1,2 @@
 Michael J. Gardner
+Stefan A. Steenstrup
\ No newline at end of file