diff --git a/_collections/_people/gaia_r-vock.md b/_collections/_people/gaia_r-vock.md
index f028d32..339022a 100644
--- a/_collections/_people/gaia_r-vock.md
+++ b/_collections/_people/gaia_r-vock.md
@@ -1,7 +1,7 @@
 ---
 layout:
 name: Raphael Vock
-desc: PhD 2027 (prepared under co-superv. E Duchesnay, A Grigis)
+desc: PhD 2027 (prepared under co-superv. E Duchesnay, A Grigis, J Bourgin)
 position: gradstudent
 cat: gaia
 subcat: signature
diff --git a/_collections/_people/gaia_s-petiton.md b/_collections/_people/gaia_s-petiton.md
index bc5bd87..b84e5f6 100644
--- a/_collections/_people/gaia_s-petiton.md
+++ b/_collections/_people/gaia_s-petiton.md
@@ -1,7 +1,7 @@
 ---
 layout:
 name: Sara Petiton
-desc: PhD 2025 (prepared under co-superv. E Duchesnay, A Grigis)
+desc: PhD 2025 (prepared under co-superv. E Duchesnay, A Grigis, J Bourgin)
 position: gradstudent
 cat: gaia
 subcat: signature
diff --git a/_collections/_people/gaia_t-dupont.md b/_collections/_people/gaia_t-dupont.md
index df15440..d29d07c 100644
--- a/_collections/_people/gaia_t-dupont.md
+++ b/_collections/_people/gaia_t-dupont.md
@@ -1,7 +1,7 @@
 ---
 layout:
 name: Thibault Dupont
-desc: PhD 2026  (prepared under superv. E Duchesnay)
+desc: PhD 2026  (prepared under superv. E Duchesnay, J Bourgin, E Azoulay)
 position: gradstudent
 cat: gaia
 subcat: signature