GFH bought the club, principally from the former major shareholder Ken Bates, for GBP22 million.
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David Haigh, deputy chief executive of GFH Capital, said: ”The introduction of IIB is in keeping with what have always been GFH Capital’s aims for the successful, sustainable and long term ownership of Leeds United FC.
"We believe that a consortium of like-minded investors provides the best ownership model for a club which belongs among the elite of English football clubs and global sporting brands," Haigh added.
IIB’s chief executive Aabed Al-Zeera will join the board of Leeds City Holdings Limited.
Al-Zeera said: "We are delighted to become investors in Leeds United and would like to thank GFH Capital for facilitating this for us."
