Steven John Harrison is an English former professional footballer, manager and coach.

As a player, he played as a full-back for Blackpool

Blackpool F.C.

Blackpool Football Club are an English football club founded in 1887 from the Lancashire seaside town of Blackpool. They are competing in the 2011–12 season of the The Championship, the second tier of professional football in England, having been relegated from the Premier League at the end of the...

 (his hometown club), Vancouver Whitecaps

Vancouver Whitecaps (NASL)

The original Vancouver Whitecaps were founded on December 11, 1973 and during the 1970s and 1980s played in the North American Soccer League . The Whitecaps achieved success, winning the 1979 Soccer Bowl. The Whitecaps of that era included international players such as Alan Ball, but also "home...

, Watford

Watford F.C.

Watford Football Club is an English professional football club based in Watford, Hertfordshire. It is often referred to as Watford F.C., Watford, or by the team's nickname The Hornets . Watford Rovers, Founded in 1881, entered the FA Cup for the first time in 1886, and the Southern League a decade...

 and Charlton Athletic. Following his retirement, as a manager and coach he worked at Watford, Millwall

Millwall F.C.

Millwall Football Club is an English professional football club based in South Bermondsey, south east London, that plays in the Football League Championship, the second tier of English football. Founded as Millwall Rovers in 1885, the club has retained its name despite having last played in the...

, Crystal Palace

Crystal Palace F.C.

Crystal Palace Football Club are an English Football league club based in South Norwood, London. The team plays its home matches at Selhurst Park, where they have been based since 1924. The club currently competes in the second tier of English Football, The Championship.Crystal Palace was formed in...

, Wolverhampton Wanderers, Preston North End and Aston Villa

Aston Villa F.C.

Aston Villa Football Club is an English professional association football club based in Witton, Birmingham. The club was founded in 1874 and have played at their current home ground, Villa Park, since 1897. Aston Villa were founder members of The Football League in 1888. They were also founder...

, as well as working with the England national football team

England national football team

The England national football team represents England in association football and is controlled by the Football Association, the governing body for football in England. England is the joint oldest national football team in the world, alongside Scotland, whom they played in the world's first...

 under Graham Taylor.

He moved to Middlesrough

Middlesbrough F.C.

Middlesbrough Football Club , also known as Boro, are an English football club based in Middlesbrough, who play in the Football League Championship. Formed in 1876, they have played at the Riverside Stadium since August 1995, their third ground since turning professional in 1889...

 in 2001 following the appointment of Steve McClaren

Steve McClaren

Stephen "Steve" McClaren is an English football manager and former player.McClaren was previously manager of VfL Wolfsburg in Germany between May 2010 and February 2011, having left his post at Dutch side FC Twente, with whom he won the club's first Eredivisie championship in the 2009–10 season...

 and in 2003 he was appointed as the team's defensive coach. Harrison took on a more general role after Gareth Southgate

Gareth Southgate

Gareth Southgate in Crawley, West Sussex is a retired English footballer and ex-manager. He is known as the "Penalty Misser of '96." He served as manager of Middlesbrough from June 2006, until he was dismissed in October 2009...

 took over, but left the club in July 2008 after suffering health problems in recent years. He has since recovered from his health problems and on 22 May 2009 he took up the role of assistant to Chris Coleman

Chris Coleman (footballer)

Christopher "Chris" Coleman is a Welsh football manager and former player. He is currently the manager of Greek Side Larissa....

 at Coventry City

Coventry City F.C.

Coventry City Football Club, otherwise known as the Sky Blues owing to the traditional colour of their strip, are a professional English Football league club based in Coventry...

. On 4 May 2010 Harrison was named caretaker manager

Caretaker manager

In association football, a caretaker manager is someone who takes temporary charge of the management of a football club, usually when the regular manager is dismissed or leaves for a different club. However, a caretaker may also be appointed if the regular manager is ill or unable to attend to his...

 of the club after Coleman was sacked, returning to his role as assistant manager on 20 May with the appointment of Aidy Boothroyd as manager. On 14 March 2011 he was again appointed caretaker manager, following Boothroyd's sacking.