The World No3 from Aix-en-Provence, who became the first player for eight years to retain the prestigious crown, maintained his stunning form of the past four days to clinch an 11-6 8-11 11-5 11-5 victory in the first final in the 16-year history of the event to feature two fellow countrymen.
The dramatic 63-minute encounter had the capacity crowd on the edge of their seats as the two players played out a series of lengthy rallies which included some of the most explosive shot-making of the tournament.
Among the spectators was The Queen’s Club Patron, the Duchess of Gloucester, who presented Gaultier with the champion’s trophy.
"I can't think about whether I am the best in the world right now," said 26-year-old Gaultier when asked if he felt he could make the top spot.  "I just want to win as many tournaments as I can and then I can get to the number one.
"But it is totally true that I did feel as if I was flying this week. And today I won because I wanted it more," added the Frenchman who now boasts sixteen PSA World Tour titles.
The gripping and often good-humoured final provided a fitting finale to a week which has seen the event give the a dynamic makeover and provide a platform for the sport to outline why it believes the International Olympic Committee should give it Olympic status for the 2016 Games.
The ATCO Super Series Finals – The Queen’s Club 2009 brought together the top eight qualifiers from the annual PSA Super Series World Tour and featured two pools of four players, leading to finals which produced a 1-8 finish.
Ziad Al-Turki, Vice-Chairman of the ATCO Group and Chairman of the Professional Squash Association, said:  "It has been great to introduce these outstanding players to a new squash family. They are incredible athletes who deserve nothing but the best, which is why we are pushing to get squash into the Olympics, so they can get the recognition they deserve."
Gaultier praised the PSA’s Chairman for efforts in revolutionising the sport in this country and abroad, saying: "Ziad has been a huge boost to the sport and us as players. Let’s hope squash continues to grow as fast as it is now."
In the earlier play-off for third place, World No.1 Karim Darwish beat his top-ranked predecessor and fellow Egyptian Amr Shabana 11-8, 11-9, 11-5.
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ATCO Super Series Finals, The Queen's Club, London, England
[4] Gregory Gaultier (FRA) bt [7] Thierry Lincou (FRA) 11-6, 8-11, 11-5, 11-5
Third place Play-off:
[1] Karim Darwish (EGY) bt [2] Amr Shabana (EGY) 11-8, 11-9, 11-5
France's Gregory Gaultier successfully defended his ATCO Super Series Finals squash title when he beat compatriot Thierry Lincou in the final of the flagship $110,000 Professional Squash Association (PSA) World Tour event being staged for the first time at The Queen's Club in London, England.