Blackett head's Britain's biggest media buying group. In 2003 and 2005 she was voted by Management Today as one of "35 Most Powerful Women Under 35" in the UK. Blackett has worked with a range of clients at MediaCom including Warner Films, Tag Heuer watches, IPC Media, Audi, the Metropolitan Police and Wrigleyâ€™s.
Karen began her career in 1993 at CIA MediaNetwork before joining Zenith Media in 1995. She then went on to work for companies including The Media Business Group and EMEA.
In her spare time, Karen works with The Bright Ideas Trust charity, helping entrepreneurs start business ventures.