Donncha Ó Cearbhaill serves as the Head of Security Lab at Amnesty Tech since February 2023, previously holding roles as Acting Head and Technologist within the same organization from February 2018 to July 2022, focusing on targeted digital surveillance of activists and human rights defenders. Donncha's earlier experience includes leading software development for the Deflect.ca project at Equalit.ie, software development at The Tor Project Inc., and various positions at DU Pirate Party, where responsibilities included infrastructure maintenance and user services. Donncha began a career in web development at Emarkable.ie, customizing open source solutions, and has also worked as a freelance developer. Academic qualifications include a Bachelor of Arts in Medicinal Chemistry from Trinity College Dublin.