The RCP’s special advisers provide expertise on a range of issues and help to develop our policy positions on a number of public health and wider health matters. Special adviser on tobacco Professor Sanjay Agrawal RCP special adviser on population health Professor Carol Brayne Senior adviser on alcohol Sir Ian Gilmore Special adviser on healthcare sustainability and climate change Dr Mark Harber Special adviser on air quality Professor Stephen Holgate Special adviser on obesity Dr Kath McCullough