diff --git a/agendas/2025/05-May/01-wg-primary.md b/agendas/2025/05-May/01-wg-primary.md
index 16e0d8aa..e26d6c29 100644
--- a/agendas/2025/05-May/01-wg-primary.md
+++ b/agendas/2025/05-May/01-wg-primary.md
@@ -114,6 +114,7 @@ hold additional secondary meetings later in the month.
 | Michael Staib    | @michaelstaib | ChilliCream        | Zurich, CH            |
 | Martin Bonnin    | @martinbonnin | Apollo             | Paris, FR             |
 | Jeff Auriemma    | @bignimbus    | Apollo             | Monroe, CT, US        |
+| Guilherme Vieira | @guialbuk     | Shopify            | Vancouver, BC, CA     |
 
 
 ## Agenda