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Work experience

Jan 2005Jan 2010

SVP & Group CIO

Warner Music Group
Jan 2001Jan 2005

Chief Information Officer

J. Sainsbury




Open University Business School


Maggie Miller has led an accomplished career as a Chief Information Officer (CIO) for several major corporations over the past three decades, including National Westminster Bank PLC, J Sainsbury plc, and TUI Travel PLC, among others. At present, she is an Information Technology (IT) consultant based in New York City. She has consulted on IT and business transformation with Accenture and others since 2010. Prior to this, Maggie Miller spent five years at Warner Music Group, four years at J Sainsbury plc, and four years with Dell Inc. 

Before becoming a consultant, Margaret Miller was at Warner Music Group in New York as Senior Vice President and Group CIO. In this role, she helped to manage the Warner IT department's $120 million budget and led an international staff of more than 400 employees. As CIO, she significantly reduced the company's operational costs and led the transformation of processes and systems for the digital era. 

Maggie Miller played a key role as both Vice President and CIO-EMEA for computer supergiant Dell from 1997 to 2001 while the company was experiencing a considerable 40 percent annual growth. Ms. Miller's responsibilities with Dell included management of the company's large-scale IT planning and direction of a staff of hundreds of employees in 20+ countries. From 2001 to 2005, she served as CIO for J Sainsbury plc, a major supermarket chain in the United Kingdom. At J Sainsbury, Margaret Miller spearheaded a transformative IT investment project that lowered IT-related expenditures and improved the company's use of inventory and staff. 

Ms. Miller earned a Master of Business Administration from the prestigious Open University Business School. Today, she serves as Chair of the school's International Advisory Board. An outdoor enthusiast with an avid interest in the arts, she enjoys hiking, opera, ballet, and theater in her free time.


Chair of the OUBS International Advisory Board, Mentor on Columbia University's MSc program in Information Systems Management