diff --git a/collaborations/carpentries/carpentries_instructors.tsv b/collaborations/carpentries/carpentries_instructors.tsv
index dad9a57..9847494 100644
--- a/collaborations/carpentries/carpentries_instructors.tsv
+++ b/collaborations/carpentries/carpentries_instructors.tsv
@@ -61,3 +61,4 @@ Yohannes Gedamu Gebre		Bio and Emerging Technology Institute	Addis Ababa	Ethiopi
 Niguse Kelile Lema		Bio and Emerging Technology Institute	Addis Ababa	Ethiopia	Certified
 Trushar Shah		International Institute of Tropical Agriculture (IITA)	Nairobi	Kenya	Certified
 Kevin Sintondji		University of Abomey-Calavi	Abomey-Calavi	Benin	Certified
+Alan O'Callaghan	https://alanocallaghan.github.io/about	University of Edinburgh	Edinburgh	Scotland	Certified