diff --git a/_data/committers.yml b/_data/committers.yml
index 54c6ec0b591..1b4738f7cf4 100644
--- a/_data/committers.yml
+++ b/_data/committers.yml
@@ -46,7 +46,7 @@
 - name: Antoine Pitrou
   role: PMC
   alias: apitrou
-  affiliation: "-"
+  affiliation: QuantStack
 - name: Ben Baumgold
   role: PMC
   alias: baumgold
@@ -182,7 +182,7 @@
 - name: Raúl Cumplido
   role: PMC
   alias: raulcd
-  affiliation: "-"
+  affiliation: QuantStack
 - name: Reynold Xin
   role: PMC
   alias: rxin