Peter Ridsdale replaced Sam Hammam as Cardiff City chairman in 2006
Peter Ridsdale has revealed millionaire former Birmingham City co-owner David Sullivan is not interested in investing in home-town club Cardiff City.
Sullivan is reportedly preparing to buy a stake in the Championship club once he sells his Birmingham shares to Hong Kong businessman Carson Yeung.
But Bluebirds chairman Ridsdale told BBC sport he has spoken to Sullivan's advisors and the stories are incorrect.
He said: "David Sullivan has no interest in investing in Cardiff City."
Sullivan is apparently in the market to buy another football club when he leaves Birmingham with fellow Premier League club West Ham United reportedly his main target.
But lifelong Bluebirds fan Sullivan's imminent departure from St Andrew's and debt-ridden Cardiff's search for extra investment has led to suggestions that the 60-year-old is considering ploughing money into Cardiff.
Ridsdale said he did "check out" the rumours regarding publishing entrepreneur Sullivan, worth a reported £450m, investing in the Championship high-fliers.
But if David, like any other interested party, wants to invest in Cardiff City then all he has to do is ring me up and talk to me
Cardiff City chairman Peter Ridsdale
But the current Cardiff chief, whose club have an estimated £24m debt, said: "I asked someone who is close to David Sullivan to speak to him.
"And I was told the stories are not true and he had no interest in investing in Cardiff City Football Club.
"But if David, like any other interested party, wants to invest in Cardiff City then all he has to do is ring me up and talk to me.
"All I am is chairman and chief executive of a club that has a number of shareholders. And it is the shareholders that decide who owns the club over a period of time.
"Anyone that comes in with a big enough cheque book can be the next owner of Cardiff City Football Club - but clearly it would have to be at the right price."
Ridsdale will return to Malaysia on Tuesday to continue talks with property magnate Dato Chan Tien Ghee.
Dato Chan is apparently heading up a group of potential investors interested in backing the 2008 FA Cup finalists.
The Championship's second-placed team are now a more attractive proposition as they boast an impressive £50m state-of-the-art stadium, new training facilities and a team that has realistic ambitions of promotion to the Premier League, the highest-profile league in the world.
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