POWER OF ATTORNEY


	Know all by these presents, that the undersigned hereby authorizes
David E. Sweet, Robert Yin, Patricia Tom, David L. Andersn, G. Leonard
Baker, Jr., Tench Coxe, James C. Gaither, Gregory P. Sands, Andrew T. Sheehan,
Michael L. Speiser, James N. White, or William H. Younger, Jr. to execute for
and on behalf of the undersigned Forms 3, 4, and 5, and any Amendments thereto
for QuinStreet, Inc. ("the Company"), and cause such form(s) to be filed with
the United States Securities and Exchange Commission pursuant to Section 16(a)
of the Securities Act of 1934, relating to the undersigned's beneficial
ownership of securities in the Company.  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 a 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.
	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 revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.
	In witness whereof, the undersigned has caused this Power of Attorney
to be executed as of January 12, 2010.




                                        /s/ Jeffrey W. Bird