A former DH commissioning chief, Mark Britnell is one of the more charismatic civil servants to impact on general practice in recent years.
As the architect of the Labour's ill-fated World Class Commissioning scheme, and an advocate of the expansion of the market, many view this arch moderniser as a trailblazer for the current reforms agenda.
Now a partner and head of healthcare at private firm KPMG, he remains an influential force.
Top 20 most influential non-GPs of 2011
This article appeared as part of Pulse's list of the top 20 most influential non-GPs of 2011. The full list can be found here.
The top 50 most influential GPs of 2011 can also be viewed here.