diff --git a/arewesafetycriticalyet.org/docs/coding_guidelines/2_members.md b/arewesafetycriticalyet.org/docs/coding_guidelines/2_members.md
index ee7fcc2c..0d3e598b 100644
--- a/arewesafetycriticalyet.org/docs/coding_guidelines/2_members.md
+++ b/arewesafetycriticalyet.org/docs/coding_guidelines/2_members.md
@@ -74,4 +74,5 @@
 | Kangwon Lee                | Individual                             | Observer                    | @kangwonlee        |
 | Marcos Borges, PhD         | Individual                             | Producer                    | @MarcosBorgesPhD   |
 | Stefan Akatyschew          | Individual                             | Producer                    | @fried-gluttony    |
+| Jeongsoo Lee               | GitHub                                 | Observer                    | @jeongsoolee09     |