In 2005 Sampson was appointed by US healthcare giants UnitedHealth as the director of external affairs UK.
Between 1999 and 2003 Sampson was one of the then secretary of state for health Alan Milburn's aides, with Simon Stevens and Andrew Harrison. In 2004 Stevens moved to America and spent a decade working for UnitedHealth eventually becoming vice president of the UH Group, he then moved back to the UK in 2014 as the CEO of the NHS and is the man currently in charge of the health service. In 2005 Sampson was UnitedHealth's chief lobbyist in the UK and Harrison's current employers, Hanover Communications, have 'lobbied for UnitedHealth since at least 2007'.
- Tamasin Cave, The privatising cabal at the heart of our NHS Spinwatch, 1 April 2015.
- Linkedin Ton Sampson, accessed 9 April 2015.
- Tamasin Cave The privatising cabal at the heart of our NHS Spinwatch, 1 April 2015, accessed 9 April 2015.
- Caroline Molloy Leak reveals worrying truth behind the biggest NHS privatisation yet Open Democracy, 16 March 2015, accessed 9 April 2015.