However the 44-year-old German manager has signed a two-year deal in Paris, with the expectation of delivering the Champions League firmly on his shoulders.
"I am 2000 percent sure he will stay", Al-Khelaifi said, rejecting talk of a transfer to Real Madrid.
And news from Parc des Princes revealed Neymar is not happy at the clubfollowing their Champions League ouster and the news have sparked rumours with the 27-year-old moving to Spain to join Real Madrid.
Tuchel was also tipped to become Arsene Wenger's successor at Arsenal but has been snapped as by billionaire club.
Recognised names such as Javier Pastore, Layvin Kurzawa, Thiago Silva and Angel Di Maria could all find themselves surplus to the man from Krumbach's plans, and it is Tuchel's task to turn the current group into a highly motivated one hungry for success domestically and in Europe.
Tuchel, who replaced Liverpool manager Jurgen Klopp at both Mainz in 2009 and Dortmund in 2015, reportedly turned down an offer to replace Jupp Heynckes at Bayern Dortmund this summer.
United States diplomat involved in road accident in Pakistan returns home amid controversy
On April 24, the federal government informed the IHC that name of the U.S. diplomat had been placed on the blacklist. The US government had refused to exempt Joseph from the diplomatic immunity, said sources.
The good news, of course, is that Tuchel is an excellent manager, and his high-pressing style seems well suited to ensuring PSG play like a team, rather than a set of brilliant individuals, as has been the case too often over the past several seasons.
Le @PSG_inside est heureux d'annoncer l'arrivée de Thomas Tuchel au poste d'entraîneur de l'équipe professionnelle! Emery, who on Sunday was named as France's coach of the year, will lead the side for the last time against Caen this weekend. Last season was a rare exception, when Monaco under Leonardo Jardim enjoyed an extraordinary season, then lost a host of them to rivals.
Paris Saint-Germain wrapped up another French triple last Tuesday, beating third-tier Les Herbiers 2-0 in the Coupe de France final to win the trophy for a fourth consecutive year.
It was an open secret that Tuchel had been lined up as the next coach of the ambitious club from the French capital.
Emery didn't have the answer on Neymar's future, but maybe Tuchel will. PSG will back Tuchel in the transfer market to achieve European domination.
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