Attached files

file filename
10-K/A - 10-K/A - COWEN INC.a11-2228_210ka.htm
EX-31.4 - EX-31.4 - COWEN INC.a11-2228_2ex31d4.htm

Exhibit 31.3

 

Certification

 

I, Peter A. Cohen, certify that:

 

1.  I have reviewed this Amendment No. 1 on Form 10-K/A of Cowen Group, Inc.; and

 

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.

 

Date:  May 2, 2011

 

 

 

/s/ Peter A. Cohen

 

Peter A. Cohen

 

Chief Executive Officer and President

 

(principal executive officer)