Stephen Hammond was born in Southampton, attended King Edward VI School and afterwards London University where he studied Economics. He had a successful career in finance, leading fund house management and subsequently worked for major investment banks. 

Stephen joined the Conservative Party after leaving university, becoming immediately and actively involved in his local association in Hertfordshire. He co-ordinated the 1987 and 1992 General Election campaigns for Tim Wood MP and was chairman of Stevenage Conservatives.

In 1999, Stephen moved to Wimbledon, and alongside becoming a Councillor for Village Ward, ran the highly successful "Vision for Wimbledon", "Grimebusters" and "State of the Streets" campaigns. These established a positive vision for the future of Wimbledon by tackling the main concerns of local residents - graffiti and poor street cleanliness.

Stephen was elected as Member of Parliament for Wimbledon in May 2005 and subsequently promoted to the position of Shadow Minister for Transport.

After successful re-election in 2010, Stephen served as Parliamentary Under Secretary of State for Transport at the Department for Transport with responsibility for road safety, roads and maritime issues.

On 7th May 2015, Stephen was re-elected as Member of Parliament for Wimbledon and was again re-elected on 8th June 2017.

Stephen is particularly proud of securing investment in Wimbledon's public transport, with more frequent trains on the Northern Line, longer air-conditioned trains on the District line and the redevelopment of Wimbledon Station. He has also worked hard to improve local health care provision, with the new Nelson Hospital and Raynes Park Health Centre bringing vital services closer to residents. 

Stephen's background in finance and business is combined with a strong commitment to community affairs - he was Deputy Chairman of Merton Citizens Advice Bureau and is a sidesman at St Mary’s Church in Wimbledon. Stephen used to play hockey for a National League team and now plays veterans hockey for Wimbledon. 

Stephen has been married to Sally since 1991 and they live in Wimbledon Park, with their daughter, Alice.