STEVE Clarke arrived at The Hawthorns with more than ten years' coaching experience in the Barclays Premier League, listing Newcastle, Chelsea, West Ham and Liverpool among his former employers.
The Saltcoats-born coach hung up his boots as a Chelsea player in 1998 and was appointed as assistant manager to Magpies manager Ruud Gullit - his former Blues boss - that same summer.
Following the Dutchman's departure from St James' Park in August 1999, Clarke took charge of one game as caretaker manager and then worked under Sir Bobby Robson.
The following season, he returned to Stamford Bridge as youth team coach and was promoted to assistant manager upon the arrival of Jose Mourinho in the summer of 2004.
Alongside Mourinho, Clarke helped guide the club to two Barclays Premier League titles, an FA Cup win and two League Cup successes in three seasons.
He continued in the role under Mourinho's successor, Avram Grant, who left the club following the 2008 Champions League Final defeat by Manchester United on penalties.
The Blues were eager for Clarke to stay and he worked for a brief spell under Luiz Felipe Scolari before becoming assistant to his former Chelsea team-mate Gianfranco Zola at West Ham in September 2008, with the Hammers securing a ninth-place top-flight finish.
Both Zola and Clarke left Upton Park at the end of the 2009/10 season - but Clarke was soon back working on the big stage.
In January 2011, he was appointed as first-team coach at Liverpool by Kenny Dalglish, winning the Carling Cup just over three months ago.
Clarke's tenure at Anfield came to an end in June 2011, which coincided with the appointment of new Reds boss Brendan Rodgers.
As a player, Clarke started his professional career on a part-time basis with Scottish outfit St Mirren, while he completed an apprenticeship as an instrument engineer, and made more than 200 appearances in five years.
He moved to Chelsea in January 1987, where he made 421 appearances in 11 years, winning the FA Cup in 1997, the League Cup in 1998 and, in his final game for the club later that season, the European Cup Winners' Cup thanks to a 1-0 victory over Stuttgart in Stockholm.
Clarke also won six caps for Scotland and, in 2005, was voted into Chelsea's centenary XI at right-back.
He was crowned the Blues' supporters' player of the year in 1994 and remains the seventh highest appearance maker in the club's history.
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JOINT-ASSISTANT HEAD COACH
DOWNING was elevated to assistant head coach in December 2011 following the departure of Michael Appleton to become Portsmouth manager.
It was a rapid rise for Downing who only became first-team coach, under Roy Hodgson, in March 2011, having passed on his Under-18s duties to James Shan.
Albion appointed Downing as Academy Under-18s coach in July 2009.
This season he has also been responsible for running the Baggies' Barclays Premier Reserve League team.
Downing, who holds his UEFA A License, beat off strong competition to land the Hawthorns post.
He hung up his boots with Hereford in 1998 - bringing down the curtain on a 14-year professional playing career.
He subsequently worked as first-team coach under Graham Turner at Edgar Street until 1999 before returning to former club Wolves as a youth team and reserves coach.
After four years at Wanderers he joined Cheltenham Town as assistant manager in summer 2004 to work under boss John Ward, who he met at Molineux.
Downing stepped up to caretaker manager at Whaddon Road in October 2007, when Ward left for Carlisle, and was given the position on a permanent basis the following month.
He left the club in September 2008 and five months later he joined Port Vale as temporary assistant manager until the end of last season.
Born in Oldbury on July 23, 1965, Downing started his playing career as an apprentice at Chelsea between 1981 and 1984.
After being released he moved to non-league Mile Oak Rovers before joining Notts County a year later.
After three seasons at Meadow Lane he joined Wolves, where he scored 11 goals in more than 200 appearances and earned the nickname 'Psycho' for his robust playing style as a central midfielder.
Short spells at Blues, Stoke City and Cardiff City followed before he made 49 appearances for the Bulls.
Downing has seen nephew Leigh come through the Baggies' Academy and his other nephew Paul has captained Albion reserves this season.
JOINT-ASSISTANT HEAD COACH
KEVIN Keen joined the Baggies following the arrival of head coach Steve Clarke in the summer of 2012.
Keen, who has held his UEFA Pro License since 2007, made over 600 appearances and scored more than 50 goals as a player for Wycombe Wanderers, West Ham, Wolves, Stoke City and Macclesfield Town.
At Moss Rose he also had a brief stint as caretaker manager following manager Gil Prescott's decision to concentrate on a role as director of football in October 2001.
Keen hung up his boots in 2002 and immediately turned to coaching by rejoining the Hammers as Under-17s Academy coach in July that year before going on to become reserve-team boss.
A role as first-team coach followed and he had three caretaker manager spells in nine years at the East London club before joining the Reds last July and helping them to League Cup success.
As a player, Keen was a tricky winger who started his career at Wycombe and was an England Youth regular.
He joined West Ham as a 16-year-old apprentice in 1983 and a year later signed pro forms.
During a ten-year spell at United he made more than 279 appearances and netted 30 goals before switching to Wolves in 1993, where he briefly played alongside Downing.
He joined Stoke in October of the following year, clocking up over 200 appearances and scoring 12 goals for the Potters before his final move to The Silkmen in September 2000.
'DEANO' officially became Albion goalkeeper coach in March 2010 after successfully doing the job on a trial basis from the start of the 2009/10 season.
At this time he also penned a third one-year extension to his playing contract until summer 2011, with Roberto Di Matteo stating he would be third-choice keeper.
The experienced stopper provided back-up for the majority of the last two seasons and he was called upon to play three games over the Christmas period due to Scott Carson's suspension, helping earn seven points towards the Baggies' promotion bid.
During the 2008/09 campaign he pounced on a training-ground hand injury to Carson to put in a match-winning performance in a 3-1 win over Wigan and secure his place in the side for the final two Barclays Premier League games.
Kiely scooped the Championship's 2007/08 PUMA Golden Glove thanks to his 18 clean sheets in all competitions after helping Albion clinch the title and reach an FA Cup semi-final.
And at the end of that season he came out of international retirement after five years and four months to put in impressive performances against Serbia and Columbia for Giovanni Trapattoni's Republic of Ireland side - earning his ninth and tenth caps at the age of 37.
Kiely initially joined Albion on an 18-month contract in January 2007, making his debut in a 2-1 home win over Plymouth the next day.
The experienced keeper took little time to win over the Baggies faithful, producing a series of rock-solid performances to help the Baggies reach the play-off final, where they lost 1-0 to Derby at Wembley in May, 2007.
Kiely's Hawthorns arrival meant his career had come full circle.
He joined the Baggies as a schoolboy in the early eighties and spent around two years with the club, progressing to the FA School of Excellence at Lilleshall in the process.
He was capped 13 times by England Schoolboys before moving on to Coventry in 1987, where he signed pro forms.
After failing to break into the first-team at Highfield Road, the Salford-born keeper joined York City in 1990 where he cut his professional teeth.
The 6ft 1in stopper completed a £125,000 switch to Bury in 1996 before being snapped up by Charlton three years later for a then-club record fee for a goalkeeper of £1million.
In his first season at The Valley, Kiely equalled Nicky John's all-time club record of 19 clean sheets to help win promotion to the Premiership.
Kiely became a firm fans' favourite during his seven-year spell at Charlton and helped Alan Curbishley's side cement their place in the top flight.
Addicks supporters voted him their Player of the Year in 2004, earning a massive 43 per cent of the vote.
Kiely moved on to Portsmouth for an undisclosed fee in January 2006 and played a key role in helping the South Coast club beat the drop.
Following the arrival of England keeper David James at Fratton Park in the summer of 2006, Kiely was loaned out to Luton in November 2006, where he recorded three shut-outs in 12 games.
Kiely boasted an impressive career record of 219 clean sheets in his 672 appearances when he joined Albion.
On the international front, after breaking into Ireland's B team, Kiely made his senior debut as a substitute in a European Championship qualifying play-off against Turkey in November 1999.
He made Mick McCarthy's squad for the 2002 World Cup in Japan and Korea but was kept on the bench by the excellent form of Newcastle's Shay Given.