Brendan Richard O'Neill (born 6 December 1948) is a British business executive.

O'Neill studied natural sciences at Churchill College, Cambridge

Churchill College, Cambridge

Churchill College is a constituent college of the University of Cambridge, England.In 1958, a Trust was established with Sir Winston Churchill as its Chairman of Trustees, to build and endow a college for 60 fellows and 540 Students as a national and Commonwealth memorial to Winston Churchill; its...

 (MA) before taking a PhD in Chemistry from the University of East Anglia

University of East Anglia

The University of East Anglia is a public research university based in Norwich, United Kingdom. It was established in 1963, and is a founder-member of the 1994 Group of research-intensive universities.-History:...

. He served as CEO of ICI

Imperial Chemical Industries

Imperial Chemical Industries was a British chemical company, taken over by AkzoNobel, a Dutch conglomerate, one of the largest chemical producers in the world. In its heyday, ICI was the largest manufacturing company in the British Empire, and commonly regarded as a "bellwether of the British...

 from 1999-2003, having previously been CEO of Diageo

Diageo

Diageo plc is a global alcoholic beverages company headquartered in London, United Kingdom. It is the world's largest producer of spirits and a major producer of beer and wine....

 from 1997-1998. He has held directorships at Informa, Aegis Group, Guinness

Guinness

Guinness is a popular Irish dry stout that originated in the brewery of Arthur Guinness at St. James's Gate, Dublin. Guinness is directly descended from the porter style that originated in London in the early 18th century and is one of the most successful beer brands worldwide, brewed in almost...

, United Distillers

United Distillers

United Distillers was a Scottish company formed in 1987 from combining the businesses of Distillers Company and Arthur Bell & Sons, both owned by Guinness. The company owned six Scotch whisky brands, which were relaunched as the Classic Malts range...

 and EMAP

EMAP

Emap Limited is a British media company, specialising in the production of business-to-business magazines, and the organisation of business events and conferences...

, is a Fellow of the Chartered Institute of Management Accountants

Chartered Institute of Management Accountants

The Chartered Institute of Management Accountants is a United Kingdom-based professional body offering training and qualification in management accountancy and related subjects, focused on accounting for business; together with ongoing support for members.CIMA is one of a number of professional...

, and is a Trustee of Cancer Research UK

Cancer Research UK

Cancer Research UK is a cancer research and awareness charity in the United Kingdom, formed on 4 February 2002 by the merger of The Cancer Research Campaign and the Imperial Cancer Research Fund. Its aim is to reduce the number of deaths from cancer. As the world's largest independent cancer...

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