POWER OF ATTORNEY





Know all by these presents, that the undersigned hereby constitutes

and appoints each of Timothy J. Conway, John K. Bray, Robert K.

Brown and Daniel K. Crowley, or each of them acting individually,

the undersigned's true and lawful attorney-in-fact to:



(1) execute for and on behalf of the undersigned a Form ID

application to be filed with the U.S. Securities and

Exchange Commission to obtain EDGAR codes for the undersigned,

including amendments thereto and any other documents necessary

or appropriate in connection therewith;



(2) execute for and on behalf of the undersigned Forms 3, 4,

and 5 with respect to the securities of NewStar Financial, Inc.

(the "Company") in accordance with Section 16(a) of the Securities

Exchange Act of 1934 and the rules thereunder;



(3) do and perform any and all acts for and on behalf of the

undersigned which may be necessary or desirable to complete and

execute any such Form ID application or Form 3, 4, or 5, complete and

execute any amendment or amendments thereto, and timely file such

forms with the U.S. Securities and Exchange Commission and any stock

exchange or similar authority; and



(4) take any other action of any type whatsoever in connection

with the foregoing which, in the opinion of such attorney-in-fact, may

be of benefit to, in the best interest of, or legally required by, the

undersigned, it being understood that the documents executed by

such attorney-in-fact on behalf of the undersigned pursuant to this

Power of Attorney shall be in such form and shall contain such terms

and conditions as such attorney-in-fact may approve in such

attorney-in-fact's discretion.



The undersigned hereby grants to each such attorney-in-fact full

power and authority to do and perform any and every act and thing

whatsoever requisite, necessary, or proper to be done in the exercise

of any of the rights and powers herein granted, as fully to all intents

and purposes as the undersigned might or could do if personally present,

with full power of substitution or revocation, hereby

ratifying and confirming all that such attorney-in-fact, or such

attorney-in-fact's substitute or substitutes, shall lawfully do or

cause to be done by virtue of this power of attorney and the rights

and powers herein granted.  The undersigned acknowledges that the

foregoing attorneys-in-fact, in serving in such capacity at the request

of the undersigned, are not assuming, nor is the Company assuming,

any of the undersigned's responsibilities to comply with Section 16 of

the Securities Exchange Act of 1934, as amended.



This Power of Attorney supersedes any power of attorney previously

executed by the undersigned regarding the purposes outlined in the

first paragraph hereof ("Prior Powers of Attorney") and the authority

of the attorneys-in-fact named in any Prior Powers of Attorney is

hereby revoked.



This Power of Attorney shall remain in full force and effect until

the undersigned is no longer required to file Forms 3, 4, and 5 with

respect to the undersigned's holdings of and transactions in securities

issued by the Company, unless earlier (a) revoked by the undersigned in

a signed writing delivered to the foregoing attorneys-in-fact or (b)

superseded by a new power of attorney regarding the purposes outlined

in the first paragraph hereof dated as of a later date.



IN WITNESS WHEREOF, the undersigned has caused this Power of

Attorney to be executed as of May 16, 2017.



Signed: /s/ Bradley E. Cooper

 Bradley E. Cooper