EX-24. 2 rrd146260_165247.htm POWER OF ATTORNEY rrd146260_165247.html



       				POWER OF ATTORNEY



	KNOW ALL PERSONS BY THESE PRESENTS that the person whose signature appears
below ("Grantor") does hereby make, constitute and appoint Mr. C. Patrick Machado
(the "Grantee") as the true and lawful attorney-in-fact of the Grantor, with full
powers of substitution (and re-substitution) and revocation, for and in the name,
place and stead of such Grantor,as a holder of securities of the Company (as defined
below), as applicable, to execute and deliver such forms or documents as may be
required to be filed from time to time with the Securities and Exchange Commission
(the "Commission") either (i) pursuant to Section 13 or Section 16 of the Securities
Exchange Act of 1934, as amended; or (ii) related to the Electronic Data Gathering
And Retrieval ("EDGAR") filing system of the Commission, in each case with respect
to Medivation, Inc., a Delaware corporation (and, together with any other successor
entity to Medivation, Inc., the "Company").

       The undersigned acknowledges that the foregoing Grantee, in serving in such
capacity at the request of the undersigned, is not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply with Section 13 or
Section 16 of the Exchange Act.

       This Power of Attorney shall remain in full force and effect until the
undersigned is no longer a director of the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing Grantee.

      IN WITNESS WHEREOF, the undersigned has cause this Power of Attorney to be
executed as of this 9th day of July, 2007.



					/s/ Sarvajit Chakravarty
					------------------------
					Sarvajit Chakravarty