Roxburgh will be responsible for the UK Treasury department's economics ministry functions. He will be overseeing and driving the growth of financial services and infrastructures agendas.
Before Roxburgh took on this new role, he was the director general of financial services at HM Treasury for three years. He worked for over 25 years in the private sector before joining the Treasury. Roxburgh was a senior partner at McKinsey & Company, where he served in a number of leadership roles in London and New York.
Roxburgh will start his new position alongside the new permanent secretary, Tom Scholar. Scholar will be moving from the Cabinet office as the Prime Minister's adviser for European and global issues and head of the European and global issues secretariat.
Former second permanent secretary, John Kingman, will leave his role as acting permanent secretary to become the new chair of legal & general.