UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 29, 2010

COWEN GROUP, INC.

(Exact Name of Registrant as Specified in Charter)

Delaware

001-34516

27-0423711

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(I.R.S. Employer

Identification No.)

599 Lexington Avenue

New York, NY 10022

(Address of Principal Executive Offices and Zip Code)

Registrant’s telephone number, including area code: (212) 845-7900

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 29, 2010, Cowen Group, Inc. (the “Company”) appointed Jeffrey M. Solomon Chief Operating Officer of the Company. Mr. Solomon will continue to serve as Chairman of the Investment Committee. Christopher A. White, the former Chief Operating Officer of the Company, was appointed Chief of Staff as of that date, replacing Marran H. Ogilvie, who will be leaving the Company to pursue other interests. Each of Mr. Solomon’s and Mr. White’s compensatory arrangement remains the same following the appointments.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	COWEN GROUP, INC.


Dated: May 3, 2010	By:	/s/ J. Kevin McCarthy
	Name:	J. Kevin McCarthy
	Title:	General Counsel