Damian Green has been named work and pensions secretary in Theresa May's cabinet following the resignation of Stephen Crabb.
Green has been MP for Ashford since 1997 was the minister of state for police and criminal justice before taking over at the Department for Work and Pensions.
Crabb was promoted following the resignation of key Leave campaigner Iain Duncan Smith in March.
Green's website states he is a Board Member of the Britain Stronger in Europe Campaign, and chairman of Conservative European Mainstream.
He is also a member of the European Scrutiny Committee, chairman of the All-Party Parliamentary BBC Group, and chairman of the Conservative Backbench Education Committee, it adds.
After the 2010 election, he became minister of state for immigration at the Home Office, and from 2012-14 was minister of state for policing, criminal justice and victims, a role covering both the Home Office and the Ministry of Justice.
In October 2012 he was made a member of the Privy Council.
His website added Green was formerly a financial journalist and worked in the prime minister's policy unit from 1992 to 1994.
He was educated at Reading School and Balliol College, Oxford and is married with two daughters.