Published Friday, 09 November 2012
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The 39-year-old led Donegal to All-Ireland success this year and will help with the development of Celitc's younger players at their training base in Lennoxtown.
Speaking to Celtic's club website, McGuiness said: "It´s a fantastic opportunity for me on an individual level and I´m very thankful to Neil Lennon for giving me this chance and bringing me into the club.
"Obviously I work in amateur sport and the opportunity to work in professional sport in any capacity is a wonderful chance for me and one I´m very looking forward to.
"My role will be based on developing the younger players in the club, development and Academy players that are U20 and that level.
"We started off at Donegal at a very low base, a low level but we have worked very hard in moving the thing forward and getting people to up a level and ultimately getting success on the pitch.
" I was invited over then saw around the facilities and met all the coaching staff and the support people."
Celtic manager Neil Lennon was impressed by his exploits this year and that led to a "strong professional relationship," according to their website.
Lennon said: "He is a first-class coach and manager and a high-quality individual who has achieved so much already in sport.
"We feel he will add real value to the Club in terms of moving our young players forward and in making sure they develop in the right way for the benefit of the Club."
Celitc's flirtation with the Donegal man has been widely known since he lifted the All Ireland trophy in September.
He visited Glasgow to see the team in action, and was there for the famous win over Barcelona on Wednesday.
It has now been confirmed that McGuinness will continue his role with Donegal GAA.
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