diff --git a/projects/tetrapod.md b/projects/tetrapod.md
index 6b3794ad5567090bd57626b2cc42f469de74c890..3f86c99fceb56a480eb665965eeb98a89311ce01 100644
--- a/projects/tetrapod.md
+++ b/projects/tetrapod.md
@@ -11,7 +11,10 @@ people:
     - mkohlhase
     - dmueller
     - frabe
-
+collaborators:
+	- Prof. William Farmer (McMaster University) 
+	- Prof. Jacques Carette (McMaster University) 
+		
 funding: internal
 ---