Fitness Coach Will Tullett is leaving Chelsea after 21 years as the club continue to revamp their performance and medical departments.

Chelsea have confirmed the appointment of Glenn van der Kraan as their Academy Technical Director, with Jack Francis promoted to become Academy Football Operations Director.

Fitness Coach Matt Birnie has left Chelsea after 18 years. Birnie joined the Blues in 2005 and worked in their Academy for 14 years before moving to first-team duties in 2019.

Chelsea have hired former South Africa Rugby and AFC Bournemouth Medical Director Craig Roberts to become their new Head of Performance Medicine.

Chelsea Under-21s boss Mark Robinson has left the club after two years to become Head Coach of League One Burton Albion.

Enzo Maresca has taken six staff with him from Leicester City to Chelsea, while Set Piece Coach Bernardo Cueva has also joined the club from Brentford.

Mauricio Pochettino's quartet of long-time assistants have departed Chelsea along with the Argentine Head Coach.

Sam Jewell has officially started work at Chelsea as Director of Global Recruitment after completing a period of gardening leave at Brighton.

BRENTFORD are advertising for a Set Piece Coach following confirmation of Bernardo Cueva’s move to Chelsea. The Mexican will join the Blues at the end of the season.

CHELSEA have appointed Swansea City’s Josh Marsh as their Loans and Pathways Manager as they look to change the way they work with loans.

CHELSEA have hired Owen Eastwood to lead a project on their history and identity which will influence the environments at Stamford Bridge and the Cobham training centre. The New Zealander has previously worked with Gareth Southgate’s England for several years.

SAM JEWELL has accepted a senior recruitment role at Chelsea and been placed on gardening leave by Brighton. Jewell, who is the son of former Wigan manager Paul Jewell, is expected to start work with Chelsea in November.

CHELSEA Medical Director Dimitrios Kalogiannidis is leaving the club after more than 13 years, while Physio Ed Richmond is about to arrive from Leicester City.

CHELSEA’S Under-12s won the annual Christmas Truce Tournament for the third straight time as clubs from England, Germany, Belgium and France came together for a flagship commemorative event.

TIM HARKNESS is leaving his role as Chelsea’s Head of Sport Science and Psychology after 14-and-a-half years. The South African has been one of the great survivors at Stamford Bridge, working under a dozen different managers during a period of considerable change.

ANDY MYERS is leaving Chelsea after 13 years to become Joe Edwards’ Assistant at Millwall. Myers made more than 100 appearances for the Blues as a player and first joined their Academy coaching staff as Under-14s Assistant in 2010/11.

ENGLAND have drafted in former Chelsea and Everton Head of Performance Chris Jones to help boost their Euro 2024 bid.

CHELSEA have hired Jeremy Leyde from West Brom to head up their new position-specific scouting department.

CHELSEA have hired Nick Chadd from Benfica to become their new Head of Performance Services. He will report into Bryce Cavanagh, the incoming Director of Performance.

MANAGERS who arrive at a new club? and publicly claim their players “are not fit enough” risk being “inflammatory and dangerous”, says former Huddersfield Town and Newcastle United Head of Performance Callum Walsh.

ANTHONY BARRY has left Chelsea after almost three years to become Thomas Tuchel’s assistant at Bayern Munich.

FORMER Wolves Head of Sport Science Tom Farrow has joined Chelsea as a Physical Performance Coach.

THOMAS TUCHEL has revealed he is hopeful of adding Chelsea’s Anthony Barry to his staff at Bayern Munich. The German, who was appointed following the surprise sacking of Julian Nagelsmann earlier this week, worked with Barry during his 20 months in charge of Chelsea.

FORMER Chelsea physio Jon Fearn has opened up on his “shock” departure from the club after 13 years. Following the takeover by Chairman Todd Boehly's consortium last May, there was a revamp of the medical department that resulted in Fearn getting sacked.

CHELSEA have moved to clarify the roles and responsibilities of their senior leadership team, with Laurence Stewart set to finally join the club from AS Monaco next week.

TONY PULIS says Chelsea’s huge transfer spend under new owner Todd Boehly is at risk of “destroying” their Academy, which he describes as “probably the strongest in England.”

CHELSEA’S Head of Research and Innovation, Ben Smith, has left the club after 16 years to join Los Angeles-based data analytics firm BreakAway Data.

JIM FRASER has been promoted to Head of Youth Development and Recruitment by Chelsea following Neil Bath’s elevation to Director of Football Development and Operations.

CHRISTOPHER VIVELL has been appointed as the new Technical Director at Chelsea. The German takes on the same title as Laurence Stewart, who joined the Blues in October from AS Monaco.

DERMOT DRUMMY was a brilliant development coach who helped bring through some of the biggest names in the game at Arsenal and Chelsea. Five years ago he took his own life. TGG looks back on Drummy's life and career.

CHELSEA Head Physio Thierry Laurent has left the club after 17 years. “Thank you to all the medical staff at CFC (who) made this department part of the top five in Europe for the last 10 years," he said.

NEIL BATH has been promoted to Director of Football Development and Operations by Chelsea as their restructure continues apace.

PAUL WINSTANLEY has left Brighton after eight years to become Director of Global Talent and Transfers at Chelsea. The Blues have revamped their recruitment department following the takeover by Chairman Todd Boehly and co-controlling owner Behdad Eghbali in May.

LAURENCE STEWART has been appointed to the new position of Technical Director by Chelsea, with a focus on “football globally.”

KYLE MACAULAY was 26 when he wrote to Graham Potter asking about playing opportunities at Ostersunds. Now he's a key member of his inner circle and will take on a senior recruitment role at Chelsea.

CHELSEA’S Head of International Scouts, Scott McLachlan, has left the club after 11 years.

CHELSEA manager Thomas Tuchel has admitted he “loved to work with” former Technical and Performance Advisor Petr Cech and that it has been a “big change” to operate without him.

FORMER Chelsea sport scientist Malcolm Harkness has revealed that the club ‘psychologically coded’ players during Maurizio Sarri’s season in charge in 2018/19.

PETR CECH has stepped down from his role as Technical and Performance Advisor at Chelsea after three years. The 40-year-old was appointed in June 2019 to “provide advice on all football and performance matters throughout the club.”

GOALKEEPER COACH Christophe Lollichon has left Chelsea after 15 years, while strength and conditioning coach Adam Burrows has also departed.

CHELSEA legend John Terry is returning to the club in a consultancy role that will involve “coaching and mentoring the next generation” at their Academy.

CHELSEA WOMEN manager Emma Hayes on some of the key influences on her career and how they helped to shape her leadership philosophy.

CHELSEA WOMEN boss Emma Hayes says it's 'bonkers' that there isn't more diversity in football. Research, plus the experience of other industries, backs her up.

CHELSEA first-team coach Anthony Barry has been appointed assistant to Stephen Kenny with the Republic of Ireland.

ANTHONY BARRY has committed to staying at Chelsea under Thomas Tuchel after turning down the manager’s job at League One Fleetwood Town.

DOES the sacking of Frank Lampard after 18 months suggest that the emphasis on homegrown players was just a passing phase?

EDDIE NEWTON has introduced some of Chelsea’s groundbreaking sports science expertise to Trabzonspor by adding Malcolm Harkness to his backroom staff at the club.

ANTHONY BARRY has been appointed first-team coach at Chelsea after three years with Wigan Athletic.

CHELSEA have been crowned champions of Premier League 2 Division One after the Premier League voted to determine the final standings of its youth competitions using a points-per-game system.

GARRY GELADE, described as the elder statesman of football analytics after his pioneering work for clients including Chelsea, has died at the age of 74.

FOR the fifth consecutive season, Chelsea have topped Youth Hawk's table for call-ups to England youth sides. However, for the first time, they share top billing with another team.

EDDIE NEWTON has left Chelsea after seven years to become assistant manager at Turkish side Trabzonspor.

CHELSEA spent £26.647m paying off manager Antonio Conte and his coaching staff, their latest accounts have revealed.

NEIL BATH, Chelsea’s long-serving Head of Youth Development, says the club is finally realising its 15-year dream for the Academy.

GAME TIME for English Under-21s in the Premier League clubs is at its highest level for 12 seasons, while minutes for foreign players are at the lowest level for five seasons.

FRANK LAMPARD has taken another member of Derby County’s backroom staff with him to Chelsea.

FRANK LAMPARD has unveiled his Chelsea backroom team, with Chris Jones and Jody Morris joining him from Derby County.

PETR CECH has returned to Chelsea to take up a new senior role - although not the Technical Director job he had been touted for.

SIX years ago today, PSG Performance Manager Nick Broad died following a road traffic accident in Paris. He left a lasting impression at former clubs including Blackburn and Chelsea - and in the industry as a whole.

MAURIZIO SARRI has sparked a huge debate within the football performance industry by revealing his Chelsea players do not do weight training.

ROSS BARKLEY says he had not “been coached much” before working with Maurizio Sarri and that his development stalled once he began playing first-team football.

MIDFIELDER Josh McEachran has revealed what life is like in the Chelsea loan group, with players training separately from the first team as they await their fate.

JONATHAN PANZO says he chose to join Monaco because they offer more opportunities than the “back and forth” of Chelsea’s loan system.

CHELSEA manager Maurizio Sarri has confirmed his backroom staff following an exodus from the club this summer.

COACH Pedro Mendonca, who has written a book on Maurizio Sarri, discusses the philosophy and tactics of Chelsea's new manager.

CHELSEA first-team fitness coach Chris Jones is to become Frank Lampard’s Head of Performance at Derby County.

CHELSEA striker Alvaro Morata has travelled to Germany for a third time to be treated by a doctor who specialises in "regenerative medicine," according to the Marca newspaper.

CARLO ANCELOTTI has paid tribute to Nick Broad, his former performance supremo at both Paris Saint-Germain and Chelsea, who died five years ago at the age of 38.

TRIBUTES have been paid to Dermot Drummy, the highly-successful former youth coach of Arsenal and Chelsea, who has died at the age of 56.

MANCHESTER UNITED Academy boss Nicky Butt has derided Chelsea’s youth system, saying they produce outstanding players but fail to get them into the first team.

MICHAEL MANCIENNE thinks Germany are much more successful than England on the international stage because their clubs “would rather push through a youngster with potential than make a signing”.

ANTONIO CONTE now has nine Italians in his backroom staff following a duo of additions last month - making it the first time since Roman Abramovich took over in 2003 that not a single Brit is among the manager's assistants.

CHELSEA have sent their players on loan to 87 clubs in the last five seasons, with Vitesse Arnhem the leading destination.

CHELSEA manager Antonio Conte has defended his record with young homegrown players, saying they are often too impatient and that he is always under pressure to win.

WEST BROM won the Premier League fitness title in 2016/17, with the lowest number of significant injuries and days lost to injury.

MANCHESTER UNITED and Chelsea’s younger age groups have faced each other in an ‘elite playground’ format at St George’s Park.

JOHN TERRY put on a session for a group doing their Uefa B Licence last year. Hannah Burnett-Kirk was one of them - she gave her feedback to TGG.