POWER OF ATTORNEY

The undersigned hereby constitutes and appoints Luke Komarek,
Sandra Miller and Barbara Spilane, or any one of
them acting alone, the undersigned's true and lawful attorney-in-
fact and agent with full power of substitution and
resubstitution, for the undersigned and in the undersigned's
name, place and stead, in any and all capacities, to sign any or
all Forms 3, 4 or Form 5 relating to beneficial ownership of
securities of Christopher & Banks Corp. (the "Issuer"), as well
as a Form ID and all documents related to obtaining new or
revised access codes, to file the same, with all exhibits thereto
and other documents in connection therewith, with the Securities
and Exchange Commission and to deliver a copy of the same to the
Issuer, granting unto said attorney-in-fact and agent full power
and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as
fully to all intents and purposes as the undersigned might or
could do in person, hereby ratifying and confirming all said
attorney-in-fact and agent, or his substitute or substitutes, may
lawfully do or cause to be done by virtue thereof.  The
undersigned acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of the undersigned, is
not assuming any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in effect until such time as
the undersigned is no longer subject to the provisions of Section
16 of the Securities Exchange Act of 1934 with respect to
securities of the Issuer or until this Power of Attorney is
replaced by a later dated Power of Attorney or revoked by the
undersigned in writing.

The undersigned hereby indemnifies the attorneys-in-fact for all
losses and costs the attorneys-in-fact may incur in connection
with or arising from the attorneys-in-fact's execution of their
authorities granted hereunder.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 21st day of May, 2009.


/s/ Mark Cohn
Mark Cohn