Grellan Larkin

Grellan Larkin is a seasoned cyber security professional with extensive experience in various leadership roles. Currently serving as a Cyber Security Consultant at Marlborough LLP since October 2021, Grellan previously held the position of Director - Cyber Security at Deloitte from May 2014 to January 2021, where responsibilities included serving as CISO/CTSO. Prior roles include Cyber Security Consultant at Ciar Consulting, Security & IT Director at BBA-reman, and Group IT Security Officer at the Irish Bank Resolution Corporation and Anglo Irish Bank. Grellan's early career included leadership as Head of Security Consultancy and Head of UK IT at Sysnet Ltd. Educational background includes attendance at Coláiste Iognáid in Galway.