Arsenal's new hierarchy: Meet the men now charged with transfers and first-team affairs alongside Arsene Wenger

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Arsenal chief executive Ivan Gazidis warned that Arsene Wenger had to become a 'catalyst for change' to stay on as boss - and now it finally seems to be burning away.

The Gunners have moved to moderise, pulling in a world-class team of business and performance experts around the manager to change the way things work.

Raul Sanllehi is in from Barcelona, Sven Mislintat has been dragged from Borussia Dortmund and Huss Fahmy and Darren Burgess are also new faces in the setup.

Arsenal chief executive Ivan Gazidis has changed things around manager Arsene Wenger

After a frustrating summer and with the Alexis Sanchez and Mesut Ozil situations still casting a shadow alongside the issues around Wenger's own future, Gazidis knew change was needed to prevent Arsenal being outmanoeuvred in future.

Here, Sportsmail looks at how things will work under the new staffing system at the Emirates Stadium and just what it means for Wenger.

Raul Sanllehi - Head of football relations

Arsenal ramped up talk of 'extensive contacts across the football world' and involvement in 'the biggest transfers in recent years' when appointing Sanllehi - and his arrival is a major coup.

The former Barcelona transfer supremo was key in negotiations over deals for Luis Suarez and Neymar and has proven himself a shrewd operator exuding charisma, professionalism and great communication skills.

Sanllehi's job is to 'to lead future player negotiations' - he will be the man closing the deals for players that Wenger and new head of recruitment Mislintat identify to take Arsenal to the next level.

He has not taken the 'director of football' job title, but has experience in that role. Sanllehi leads the modernisation of Arsenal's internal structure and that could impact on how Wenger works depending on the way the boundaries are drawn.

 Arsenal have taken Barcelona's director of football Raul Sanllehi as part of their reshuffle

Sven Mislintat - Head of recruitment

Nicknamed 'Diamond Eye', Mislintat proved himself a talent conveyor belt at Borussia Dortmund with his recruits including Robert Lewandowski, Mats Hummels, Ousmane Dembele and Pierre-Emerick Aubameyang.

Mislintat's history of producing players who can develop into world-class talents is just what Arsenal were looking for to replace head scout Steve Rowley.

Wenger says he will work alongside him, seemingly identifying stars with the final decision on recruitment apparently being made by the manager - although earlier indications were that Mislintat would report to Gazidis.

In Germany, he also helped oversee the development of Dortmund's famous 'Footbonaut' cage machine - although it remains to be seen how far his influence will stretch in north London.

Sven Mislintat comes to Arsenal from Borussia Dortmund and will head up recruitment

Huss Fahmy - Contract negotiator

With the handling of player contracts at Arsenal being brought sharply into question by the Sanchez and Ozil situations, Fahmy was recruited earlier in the year.

Fahmy was previously head of legal and commercial at cycling's Team Sky as well as holding experience at multi-national law firm Herbert Smith. He was drafted into the setup at the Emirates earlier this year.

He was initially expected to be involved in the closing of negotiations but that role is expanding as predecessor Dick Law scales back his work.

Arsenal hope the Ozil, Sanchez and Jack Wilshere contract situations - all due to run into the final six months of their deals - will not be repeated.

Huss Fahmy arrived at the Gunners from Team Sky, where he worked as a legal expert

Darren Burgess - Director of high performance

Arsenal brought Burgess through the door earlier this year in one of the first early indications of their staffing reshuffle revolving around Wenger. He was hand-picked by the Frenchman.

Working with staff across departments including those dealing with squad fitness, medicine, psychology and analysis, he has been seen on the training ground at London Colney this season working with the first team as well as the academy.

Burgess worked at Liverpool for over two years until October 2012 and has also been in this 'head of high performance role' at Aussie Rules side Port Adelaide previously.

Former colleague Kane Cornes said that, in Adelaide, Burgess would plan every piece of physical activity - including pre-season preparations and nutrition.

Darren Burgess (left) is collaborating with staff across various departments at Arsenal

And the man who's still sticking around...

Arsene Wenger - Manager

Wenger's role is changing significantly, but the Arsenal manager has no plans for the new setup to exclude him anytime soon - as seen in the signing of his new two-year contract in the summer.

The Frenchman has also been dismissive of the idea that the new appointments sap power from him, notably suggesting that Mislintat will work with him rather than chief executive Gazidis.

Of the German's appointment, he added: 'I think we have a structure in England to know everybody and so we have taken somebody with international experience. That's why we made that decision.'

Wenger will continue to play a significant role in player recruitment and, of course, his presence as the Gunners' figurehead means his influence over this team looms larger than any one else.

Arsenal manager Arsene Wenger still has 18 months remaining on his contract at the club