He has worked with scores of individuals and organisations including BT, HSBC, Capita, Serco, Dentsu, Henry Boot, Radiant Law, Latham & Watkins, Shearman & Sterling and Free Drinks using his tried and tested model - The Fenton Model® - an innovative approach to self-management that provides senior leaders with the thinking and tools to achieve a small change in their own behaviour and that of each member of their senior leadership team.

During his early career he held senior business leadership roles at Hachette, ITN, Pearson, and The Guardian Media Group in which he was involved in extensive change programmes.

Ciarán is a mentor at London Business School, a faculty member on Paul Gilbert’s LBCambridge2 in-house counsel programme, a Senior Adviser with the Blueprint for Better Business charity and a regular speaker, writer and pamphleteer on leadership issues. 

Pamphlets include The GC-CEO Relationship post Global Financial Crash: Flourish or Flounder and The 7 Deadly Sins of Nascent NEDs. He is writing a business book about work in the 21st. Century expected to be published in 2019 entitled Small Change. 

He holds a business degree, B.Com (Hons.) from The National University of Ireland, Cork and he lives in Brighton. He is married to writer Marian Garvey and they have two children.