Exhibit 31.2

Certification

I, James A. Peers, certify that:

1.           I have reviewed this Amendment No. 1 on Form 10-K/A to Annual Report on Form 10-K of GFI Group Inc.;

2.           Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.