Rajat Gupta had been named by prosecutors as an unindicted co-conspirator in the criminal case against hedge fund tycoon Raj Rajaratnam earlier this year. Rajaratnam, who created the Galleon Group hedge fund, was convicted in May of insider dealing and jailed for 11 years over a week ago.

Gupta's attorney, Gary Naftalis, would not comment yesterday on possible criminal charges, the news agency said, but he issued a statement echoing his previous comments that Gupta committed no wrongdoing. "Any allegation that Rajat Gupta engaged in any unlawful conduct is totally baseless. The facts demonstrate that Mr. Gupta is an innocent man and that he has always acted with honesty and integrity. He did not trade in any securities, did not tip Rajaratnam so he could trade, and did not share in any profits as part of any quid pro quo," it said.

Gupta, 62, spent 34 years at McKinsey. He won a seat in 2006 on the board of Goldman. He retired from McKinsey in 2007. Goldman chief executive Lloyd Blankfein was called to the witness stand by the US government to testify at Rajaratnam's trial in Manhattan Federal Court. Blankfein told the jury that Gupta violated confidentiality at Goldman Sachs by leaking boardroom secrets.

Ellen Davis, a spokeswoman for Manhattan US attorney Preet Bharara, whose office prosecuted Rajaratnam, declined to comment on Gupta's surrendering to authorities or any possible charges, the report said.