diff --git a/website/data/open-source/maintainers.yml b/website/data/open-source/maintainers.yml
index 326ef10..422f609 100644
--- a/website/data/open-source/maintainers.yml
+++ b/website/data/open-source/maintainers.yml
@@ -8,6 +8,7 @@ Brasilia:
 Paraná:
   - ellisonleao
   - RenanTashiro
+  - guiseek
 
 São Paulo:
   - avelino